950 10 20655 https://www.socictopen.socict.org/files/original/58752d1590251cfabd14682e812d323a.pdf 1d25f03f8c786ba24fd8bb2c2a16a1bb Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Definición de “Agricultura Familiar” como categoría socioeconómica Creator An entity primarily responsible for making the resource Álvaro Ramos Description An account of the resource El objeto del presente artículo es definir consistentemente y con claridad qué características son propias definen a la “Agricultura familiar”. De esta forma se realizó una recopilación de las definiciones y metodologías comúnmente más aceptadas y utilizadas a nivel de los países, así como a nivel regional e internacional para definir y caracterizar a la agricultura familiar, tomando en cuenta su diversidad. Además o estudio intenta hacer definiciones sobre la AF como categoría socioeconómica de análisis y como las dichas definiciones se sustenten en criterios y luego en parámetros e indicadores, que puedan hacer comparables situaciones muy diferentes. El desafío ahora es reconocer la heterogenidad de la AF y comenzar a hablar de “matrices de políticas públicas” que permitan atender la complejidad de la finca familiar, la necesidad de asociar las mismas para asegurar el autoconsumo familiar y competir, así como la necesidad de asegurar los parámetros de la SAN. Finalmente, encarar una análisis de la AF como categoría socio / económica no es atemporal ni a – geográfica, está fuertemente vinculada a cada contexto y cada contexto tiene que ver con estos factores: (a) los derivados de la situación geográfica y agroecológica y distancia relativa a los mercados; (b) los derivados de los procesos económicos; (c) los derivados de la historia, la cultura, la relación con la tierra y el territorio. El Concepto de AF es una construcción multidimensional. Dentro de ella los criterios fundamentales son: (i) organización del trabajo familiar en la finca y contratación eventual de mano de obra asalariada; (ii) administración de la finca o empresa familiar, o sea quién toma las decisiones productivas y/o técnicas y/o comerciales; (c) situación relativa de autonomía o dependencia respecto de los distintos mercados (insumos, factores, productos). Date A point or period of time associated with an event in the lifecycle of the resource 2016 Subject The topic of the resource El desarrollo rural. Definición teórica. Agricultura Identifier An unambiguous reference to the resource within a given context 10.17058/redes.v21i3.8243 Source A related resource from which the described resource is derived Redes Publisher An entity responsible for making the resource available Universidade de Santa Cruz do Sul Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Social Sciences, Social sciences (General), Human ecology. Anthropogeography Relation A related resource <a href="https://online.unisc.br/seer/index.php/redes/article/view/8243" target="_blank" rel="noreferrer noopener">https://online.unisc.br/seer/index.php/redes/article/view/8243</a> https://www.socictopen.socict.org/files/original/5267ab8fe56e6d446b5ba7e76beea87f.pdf 33a4bc21798de0fc7f66b42dcf0ca9ae Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Using High-Resolution Hyperspectral and Thermal Airborne Imagery to Assess Physiological Condition in the Context of Wheat Phenotyping Creator An entity primarily responsible for making the resource Pablo J. Zarco-Tejada, Victoria Gonzalez-Dugo, Pilar Hernandez, Ignacio Solis Description An account of the resource There is a growing need for developing high-throughput tools for crop phenotyping that would increase the rate of genetic improvement. In most cases, the indicators used for this purpose are related with canopy structure (often acquired with RGB cameras and multispectral sensors allowing the calculation of NDVI), but using approaches related with the crop physiology are rare. High-resolution hyperspectral remote sensing imagery provides optical indices related to physiological condition through the quantification of photosynthetic pigment and chlorophyll fluorescence emission. This study demonstrates the use of narrow-band indicators of stress as a potential tool for phenotyping under rainfed conditions using two airborne datasets acquired over a wheat experiment with 150 plots comprising two species and 50 varieties (bread and durum wheat). The flights were performed at the early stem elongation stage and during the milking stage. Physiological measurements made at the time of flights demonstrated that the second flight was made during the terminal stress, known to largely determine final yield under rainfed conditions. The hyperspectral imagery enabled the extraction of thermal, radiance, and reflectance spectra from 260 spectral bands from each plot for the calculation of indices related to photosynthetic pigment absorption in the visible and red-edge regions, the quantification of chlorophyll fluorescence emission, as well as structural indices related to canopy structure. Under the conditions of this study, the structural indices (i.e., NDVI) did not show a good performance at predicting yield, probably because of the large effects of terminal water stress. Thermal indices, indices related to chlorophyll fluorescence (calculated using the FLD method), and carotenoids pigment indices (PRI and CAR) demonstrated to be better suited for screening complex traits such as crop yield. The study concludes that the indicators derived from high-resolution thermal and hyperspectral airborne imagery are efficient tools for field-based phenotyping providing additional information to standard NDVI imagery currently used. Date A point or period of time associated with an event in the lifecycle of the resource 2015 Subject The topic of the resource chlorophyll fluorescence, field-based phenotyping, hyperspectral, thermal imaging, water stress Identifier An unambiguous reference to the resource within a given context 10.3390/rs71013586 Source A related resource from which the described resource is derived Remote Sensing Publisher An entity responsible for making the resource available MDPI AG Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Science Relation A related resource <a href="http://www.mdpi.com/2072-4292/7/10/13586" target="_blank" rel="noreferrer noopener">http://www.mdpi.com/2072-4292/7/10/13586</a> https://www.socictopen.socict.org/files/original/070cfecec845233b2888de4e228c435a.pdf 268170978570782201e385e413cc46bf Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Feira Agroecológica da ARPASUL, Pelotas, RS: produção, segurança alimentar e comercialização, um estudo de caso Creator An entity primarily responsible for making the resource André Luiz Radünz, Amanda Fabres Oliveira Radunz Description An account of the resource Vivemos em um sistema capitalista, no qual as relações sociais e econômicas estão permeadas pela lógica da exploração da mão-de-obra e dos recursos naturais com vistas à obtenção de maiores resultados produtivos. No entanto, alguns agricultores familiares estão trabalhando com outra perspectiva de produção, a agroecológica. E comercializando seus produtos em feiras agroecológicas, permitindo o contato direto com o consumidor. Sendo assim, objetivou-se com o presente trabalho identificar, juntamente com os agricultores familiares de base ecológica que comercializam seus produtos na feira agroecológica da ARPA-SUL, na Dom Joaquim, Pelotas/RS, aspectos relativos ao cultivo, comercialização e segurança alimentar. Para tanto, através da realização de entrevistas estruturadas, foi realizada uma pesquisa com os agricultores familiares de base ecológica, associados à ARPASUL, que comercializam seus produtos na feira agroecológica da Dom Joaquim, em Pelotas/RS. Baseado nos resultados os agricultores feirantes reconhecem que seus cultivos são afetados pelos efeitos prejudiciais dos fatores climáticos adversos. A comercialização acontece sem maiores dificuldades através das feiras, e nas propriedades, onde os vizinhos são os maiores compradores. A segurança alimentar é atendida, pois percebe-se que estes agricultores têm uma grande diversidade de produtos cultivados e que estes são tanto comercializados como consumidos por eles e seus familiares. Date A point or period of time associated with an event in the lifecycle of the resource 2017 Subject The topic of the resource Adversidades Climáticas, Agricultura Familiar, agroecologia, autoconsumo Source A related resource from which the described resource is derived Revista Espaço Acadêmico Publisher An entity responsible for making the resource available Universidade Estadual de Maringá Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Social sciences (General) Relation A related resource <a href="http://www.periodicos.uem.br/ojs/index.php/EspacoAcademico/article/view/33349" target="_blank" rel="noreferrer noopener">http://www.periodicos.uem.br/ojs/index.php/EspacoAcademico/article/view/33349</a> https://www.socictopen.socict.org/files/original/497cfd46a1a0128f1cc62d9b2b913207.pdf aeb2a09aff1bb72950606732ab9dcf4f Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Anfibios amenazados de Uruguay: efectividad de las áreas protegidas ante el cambio climático Creator An entity primarily responsible for making the resource Carolina Toranza, Alejandro Brazeiro, Raúl Maneyro Description An account of the resource El cambio climático (CC) es una de las principales amenazas a la biodiversidad. Se han constatado efectos del CC sobre la distribución de las especies, principalmente corrimientos hacia latitudes altas y zonas elevadas. Las especies amenazadas resultan especialmente vulnerables a dichos cambios. En este marco, las áreas protegidas (AP) podrían ser una herramienta clave para la adaptación al cambio climático. Nuestros objetivos son: estudiar los efectos del CC sobre la distribución y riqueza de anfibios amenazados y casi amenazados de Uruguay, y evaluar la eficacia del Sistema Nacional de Áreas Protegidas (SNAP) en el presente y ante escenarios de CC. Para modelar la distribución de nueve especies se obtuvieron registros de colecciones herpetológicas, publicaciones científicas y del GBIF, datos de clima actual y proyecciones del Modelo de Circulación General HadCM3 bajo los escenarios A2 y B2 del IPCC descargadas del Worldclim. La distribución potencial se obtuvo aplicando modelos de máxima entropía (MAXENT). Para evaluar la eficacia del SNAP se realizó un análisis de vacíos, superponiendo la cobertura de las AP con la distribución de las especies. Los modelos indican que la mayoría de las especies expandirá su distribución a futuro en Uruguay, excepto Pleurodema bibroni y Melanophryniscus montevidensis. La riqueza local de anfibios podría aumentar en el noroeste y este del país. Si bien los anfibios estudiados están incluidos al menos en un área del SNAP, la superficie protegida cubre menos de 2% de la distribución de las especies, tanto en la actualidad como bajo los escenarios de CC. Esto indica la baja eficacia del sistema. Si bien el CC esperado para la región no sería una amenaza para los anfibios estudiados, la escasa protección por parte del SNAP representa un riesgo para la conservación de la herpetofauna nativa frente a otros componentes del cambio global. Date A point or period of time associated with an event in the lifecycle of the resource 2016 Subject The topic of the resource Anuros, Listas Rojas, conservación, modelación de nicho Identifier An unambiguous reference to the resource within a given context 10.25260/EA.16.26.2.0.136 Source A related resource from which the described resource is derived Ecología Austral Publisher An entity responsible for making the resource available Asociación Argentina de Ecología Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Environmental sciences, Ecology Relation A related resource <a href="http://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/136" target="_blank" rel="noreferrer noopener">http://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/136</a> https://www.socictopen.socict.org/files/original/c1daede394d0e1cf52e449aff7d0bee5.pdf d0ac40f6478df4565d7e46007d3e0bb3 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Uso de las aguas residuales para el riego de cultivos agrícolas, en la agricultura urbana Creator An entity primarily responsible for making the resource Marcial A. Méndez F., Martha P. Ricardo C., Jeny Pérez P., Geisy Hernández C., Osvaldo Campos Description An account of the resource El uso de las aguas residuales se presenta como una de las fuentes alternativas para el riego en la agricultura urbana. Esto entraña unconjunto de interrogantes en cuanto a su manejo y las posibles afectaciones que ellas puedan ocasionar a los frutos cosechados, al suelo y al medioambiente. Las informaciones que se presentan, son solo los primeros resultados de los estudios introductorios hasta ahora realizados. Las aguasresiduales del afluente Luyanó en el municipio Arroyo Naranjo, de acuerdo con los análisis realizados, se clasifican como aguas de bajacontaminación (según los valores DBO5 y DQO obtenidos). Estas aguas, además, toxicológicamente no constituyen un riesgo de contaminaciónni para el suelo ni para el medio ambiente, aunque no deben utilizarse sin tratamiento previo en cultivos de consumo directo, dada la cargamicrobiana que presentan. Las parcelas experimentales que se establecieron con cultivos de zanahoria, rábano y flor del Marigold, mostraron enlas primeras cosechas que es posible alcanzar en ellas altos rendimientos agrícolas, dado el valor fertilizante de estas aguas residuales. Losresultados de la cosecha del rábano, según análisis bacteriológicos realizados, no mostraron ningún tipo de contaminación. El suelo y el entornoagrícola, tampoco presentaron afectaciones. Date A point or period of time associated with an event in the lifecycle of the resource 2006 Source A related resource from which the described resource is derived Revista Ciencias Técnicas Agropecuarias Publisher An entity responsible for making the resource available Universidad Agraria de La Habana Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Agriculture, Environmental technology. Sanitary engineering Relation A related resource <a href="http://www.redalyc.org/articulo.oa?id=93215304" target="_blank" rel="noreferrer noopener">http://www.redalyc.org/articulo.oa?id=93215304</a> https://www.socictopen.socict.org/files/original/9923c2cb3a96691409541b8b100e1d39.pdf af72fa4956c6e601c5e5f4cac5433f08 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Evaluation of two microcosm systems for co-treatment of LDPEoxo and lignocellulosic biomass for biochar production Creator An entity primarily responsible for making the resource Juan C. Salcedo-Reyes, Raúl A. Poutou-Piñales, Alejandra Castillo-Toro, Juan F. Mateus-Maldonado, Diana N. Céspedes-Bernal, Leonardo Peña-Carranza, Adriana I. Páez-Morales, Lucía A. Díaz-Ariza, Laura C. Castillo-Carvajal, Aura M. Pedroza-Rodríguez, Luis D. Gómez-Méndez Description An account of the resource Abstract Background The co-transformation of solid waste of natural and anthropogenic origin can be carried out through solid-state-fermentation systems to obtain bio-products with higher added value and lower environmental impact. Methods To evaluate the effect of Pleurotus ostreatus on co-transformation of oxo-degradable low-density polyethylene (LDPEoxo) sheets and lignocellulosic biomass (LCB), were assembled two 0.75 L microcosm systems in vertical (VMS) and horizontal (HMS) position. The pre-treated sheets with luminescent O2 plasma discharges were mixed with pine bark, hydrolyzed brewer’s yeast and paper napkin fragments and incubated for 135 days at 20 ± 1.0 °C in the presence of the fungus. With the co-transformation residues, biochar (BC) was produced at 300 ± 1.0 °C (BC300) for 1 h, then used to carry out adsorption studies, using the malachite green dye (MG) at pH 4.0, 7.0 and 9.0 ± 0.2. Finally, the biochar was the substrate for the germination of carnation seeds (Dianthus caryophyllus) and Ray-grass (Lolium sp.) in vitro. Results For HMS, the decrease in static contact angle (SCA) was 63.63% (p = 0.00824) and for VMS 74.45% (p = 0.00219), concerning the pristine. Plastic roughness in VMS was higher (26%) concerning the control. Throughout the 135 days, there were fungal growth and consequently laccase (Lac), manganese peroxidase (MnP) and lignin peroxidase (LiP) activities. During the first 75 days, CO2 production increased to 4.78 ± 0.01 and 4.98 ± 0.01 mg g-1 for HMS and VMS, respectively. In MG adsorption studies, the highest amount of the colourant adsorbed at both pH 4.0 and 7.0 ± 0.2. Conclusions Finally, the biochar or the biochar enriched with low concentrations of plant growth-promoting microorganisms and inorganic fertilizer favours the germination of Dianthus caryophyllus and Lolium sp., seeds. Date A point or period of time associated with an event in the lifecycle of the resource 2021 Subject The topic of the resource Oxo-biodegradable low-density polyethylene, Plastic roughness, germination test, malachite green Identifier An unambiguous reference to the resource within a given context 10.1186/s40824-021-00222-w Source A related resource from which the described resource is derived Biomaterials Research Publisher An entity responsible for making the resource available BMC Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Medical technology Relation A related resource <a href="https://doi.org/10.1186/s40824-021-00222-w" target="_blank" rel="noreferrer noopener">https://doi.org/10.1186/s40824-021-00222-w</a> https://www.socictopen.socict.org/files/original/476b7cbcc7078135827dcdeedfd2cbd8.pdf 05935ff191daf58feb7656e53578117d Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Qualidade da água em microbacias hidrográficas com agricultura nos municípios de Santarém e Belterra, Pará Creator An entity primarily responsible for making the resource José Reinaldo Pacheco Peleja, Christiane Patrícia Oliveira de Aguiar, Keid Nolan Silva Sousa Description An account of the resource A expansão da fronteira agrícola no Oeste do Pará nas últimas décadas tem alterado a paisagem, antes ocupada por florestas ou agricultura familiar, provocando alterações ambientais com impacto nos recursos hídricos. O trabalho avaliou a qualidade da água de 24 microbacias hidrográficas, sob diferentes usos de solo: área natural/referência (Flona Tapajós), agricultura tradicional (PA-Moju) e agriculturas mecanizadas recentes e antigas de soja (Rodovias Curuá-Una e BR-163, respectivamente), com base na Resolução Conama nº 357/05, em Santarém e Belterra, no Pará. As coletas ocorreram em outubro/11 e abril/12. Parâmetros analisados: pH, cor, turbidez, TDS, OD, DBO, nitrato, nitrito, nitrogênio amoniacal, fósforo total, clorofila-a e coliformes termotolerantes. Confrontando os resultados com os da Resolução, constatou-se no período seco que seis microbacias da Flona Tapajós e uma do PA-Moju apresentaram concentrações abaixo dos limites permissíveis para OD. Apenas uma microbacia (BR-163) apresentou pH no intervalo aceitável, e todas as microbacias do PA-Moju superaram o limite estabelecido para clorofila-a. A cor apresentou desconformidade em quatro microbacias da Curuá-Una, durante o período chuvoso. As atividades antrópicas estão causando assoreamento e aporte de compostos e nutrientes aos recursos hídricos, promovendo a sua degradação. A Resolução nº 357/05 necessita de adequações para a região Amazônica, visto que alguns parâmetros que apresentaram valores em desconformidade com a legislação refletem condições naturais da região. Date A point or period of time associated with an event in the lifecycle of the resource 2014 Subject The topic of the resource Recursos hídricos, Uso do Solo, limnologia Source A related resource from which the described resource is derived Revista Árvore Publisher An entity responsible for making the resource available Sociedade de Investigações Florestais Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Forestry Relation A related resource <a href="http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0100-67622014000600003&amp;lng=en&amp;tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0100-67622014000600003&amp;lng=en&amp;tlng=en</a> https://www.socictopen.socict.org/files/original/3a0de6d57b75dc4e603112d711546e8a.pdf d2f27c2507c443dea8c2b43d25acfb8a Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Controle de plantas daninhas em cultivos orgânicos de soja por meio de descarga elétrica Weed control in organic soybean using electrical discharge Creator An entity primarily responsible for making the resource Alexandre Magno Brighenti, Deodoro Magno Brighenti Description An account of the resource Dois experimentos foram instalados em semeadura direta, em área de cultivo orgânico de soja, no município de São Miguel do Iguaçu, Paraná (PR), com o objetivo de avaliar o controle de plantas daninhas na cultura da soja (BRS 232) por meio de descarga elétrica. O delineamento experimental foi blocos casualizados, com quatro repetições. No experimento 1, fixou-se a voltagem de 4400V e, no experimento 2, de 6800V. Em ambos os experimentos, os tratamentos consistiram das variações de rotação do motor do trator (i) 2200rpm (rotações por minutos); (ii) 2000rpm; (iii) 1600rpm e as testemunhas (iv) capinada e (v) sem capina. O equipamento utilizado para aplicação dos tratamentos foi o Eletroherb (Sayyou do Brasil). As plantas daninhas existentes na área experimental foram o amendoim-bravo (Euphorbia heterophylla), a corda-de-viola (Ipomoea spp.), a guanxuma (Sida spp.), o capim-marmelada (Brachiaria plantaginea) e o capim-colchão (Digitaria spp.). O emprego de descarga elétrica é eficiente no controle das plantas daninhas da cultura da soja. A rotação 2200rpm proporcionou o melhor controle e, consequentemente, a maior produtividade da soja.Two experiments were carried out in no-till organic soybean area in São Miguel do Iguaçu, Paraná State, Brazil, in order to evaluate the weed control using electrical discharge. The experiments were arranged in a complete block design, with four replicates. The voltages were fixed in 4400V (experiment 1) and 6800V (experiment 2). In both experiments, the treatments consisted by different revolution tractor: (i) 2200rpm (revolutions per minute); (ii) 2000rpm; (iii) 1600rpm; and two checks [(iv) unweeded control and (v) weeded control]. The equipment Eletroherb (Sayyou do Brasil) was used to apply the electrical discharges. The weeds presented in the experimental area were wild poinsettia (Euphorbia heterophylla), morningglory (Ipomoea spp.), prickly Sida (Sida spp.), alexandergrass (Brachiaria plantaginea) and crabgrass (Digitaria spp.). The electrical discharge use was efficient in controlling weeds in soybean crop; 2200rpm produced efficient weed control and, consequently high soybean yield. Date A point or period of time associated with an event in the lifecycle of the resource 2009 Subject The topic of the resource Agricultura de base ecológica, Agricultura orgânica, Glycine max, alta voltagem, ecological agriculture, high-voltage, organic agriculture Identifier An unambiguous reference to the resource within a given context 10.1590/S0103-84782009000800007 Source A related resource from which the described resource is derived Ciência Rural Publisher An entity responsible for making the resource available Universidade Federal de Santa Maria Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Agriculture (General), Agriculture Relation A related resource <a href="http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0103-84782009000800007" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0103-84782009000800007</a> https://www.socictopen.socict.org/files/original/d0737a1ca3b60c24d7cfdeb37a277b2a.pdf 64243c040f82f53fdb7d0a21791bedac Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Efectos de la aplicación de bioestimulantes sobre la tolerancia del Sorghum bicolor (L.) Moench al estrés salino Creator An entity primarily responsible for making the resource Ignacio Achón Forno, Pedro Luis Paniagua Alcaraz, Nancy Villalba Romero, Mario Romero Gavilán Description An account of the resource Con el objetivo de determinar el efecto de la aplicación de bioestimulantes sobre la tolerancia del Sorghum bicolor (L.) Moench a distintos niveles de salinidad, se condujo una investigación en un invernadero ubicado en la Facultad de Ciencias Agrarias de la Universidad Nacional de Asunción. El diseño experimental fue completamente al azar con arreglo factorial 4 x 2, los tratamientos consistieron de cuatro niveles de conductividad eléctrica (CE) en el agua de riego (0, 2, 4 y 6 dS/m) y la aplicación o no de los bioestimulantes, en la inoculación de semillas (6% de amino ácidos libres) y vía foliar (30% de amino ácidos libres), dando ocho tratamientos de acuerdo a la combinación de ambos factores y cinco repeticiones. Las variables evaluadas fueron porcentaje de emergencia, peso fresco de la parte aérea (PFPA), tasa de crecimiento absoluto (TCA), evolución de la altura, altura final, número, ancho y largo de hoja, diámetro del tallo, color de hoja, índice de mortandad y relación K+/Na+ en hoja, tallo y raíz. Con los datos se realizó análisis de varianza, test de Tukey (p≤0,05), análisis de regresión y de correlación. El aumento de la CE tuvo efecto negativo sobre todas las variables evaluadas, siendo las diferencias estadísticamente significativas. La aplicación de los bioestimulantes produjo un incremento del 64% en el PFPA y la TCA. A los 4 y 6 dS/m se produjo 43% de mortandad. Se evidenció una reducción de la relación K+/Na+ con el aumento de la CE en todos los órganos estudiados. Date A point or period of time associated with an event in the lifecycle of the resource 2014 Subject The topic of the resource Bioestimulantes, Sorghum bicolor (L.) moench, salinidad Source A related resource from which the described resource is derived Investigación Agraria Publisher An entity responsible for making the resource available Universidad Nacional de Asunción Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Agriculture Relation A related resource <a href="http://www.agr.una.py/revista/index.php/ria/article/view/262" target="_blank" rel="noreferrer noopener">http://www.agr.una.py/revista/index.php/ria/article/view/262</a> https://www.socictopen.socict.org/files/original/bd8938a93f122d2d9abb8163b0d77412.pdf cb8b6fb44ba84b5438c0d59d256d5241 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Segurança alimentar e nutricional e a construção de sua política: uma visão histórica Creator An entity primarily responsible for making the resource Denise Cavallini Cyrillo, Marta Battaglia Custódio, Nelson Roberto Furquim, Greice Maria Mansini dos Santos Description An account of the resource Estudos sobre a situação nutricional ressaltam a redução da prevalência de desnutrição no Brasil. Embora ainda existam casos de comunidades sob risco de déficit nutricional, também se verifica uma elevação de níveis de sobrepeso e obesidade no país. Persistem condições negativas que impactam o estado nutricional da população, como a elevada concentração de renda, altos níveis de analfabetismo funcional e discriminação social e racial. É importante conhecer a evolução histórica das políticas públicas voltadas para a questão alimentar e nutricional para aprimorar o debate em torno do combate à fome e à desnutrição. O Programa Fome Zero, lançado em 2003, foi concebido em torno de quatro eixos, a saber: o acesso aos alimentos; o fortalecimento da agricultura familiar; a geração de renda; e a articulação, mobilização e controle social. Além dele, a Lei Orgânica, instituída em 2006, contribuiu para a construção do arcabouço legal da Política Nacional de Segurança Alimentar e Nutricional. Date A point or period of time associated with an event in the lifecycle of the resource 2015 Subject The topic of the resource Segurança alimentar e nutricional. Política pública. Combate à fome Identifier An unambiguous reference to the resource within a given context 10.20396/san.v18i1.8634683 Source A related resource from which the described resource is derived Revista Segurança Alimentar e Nutricional Publisher An entity responsible for making the resource available Universidade Estadual de Campinas Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Agriculture (General), Nutrition. Foods and food supply Relation A related resource <a href="https://periodicos.sbu.unicamp.br/ojs/index.php/san/article/view/8634683" target="_blank" rel="noreferrer noopener">https://periodicos.sbu.unicamp.br/ojs/index.php/san/article/view/8634683</a>