969
10
20655
-
https://www.socictopen.socict.org/files/original/460a9a5f83b1d2b2c05c92f7e1e6d600.pdf
de0841a1ec842517a23a1e3cdc73c797
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
Modelo de despliegue de una WSN para la medición de las variables climáticas que causan fuertes precipitaciones
Creator
An entity primarily responsible for making the resource
José Gregorio Caicedo Ortiz
Description
An account of the resource
Existen diferentes métodos y diseños para obtener datos de las principales variables medioambientales, como la temperatura, la presión atmosférica y la humedad que influyen en las precipitaciones causantes de inundaciones, uno de ellos son las redes inalámbricas de sensores (en inglés WSN) capaces de monitorizar variables físicas en tiempo real. Colombia es uno de los países latinoamericanos más afectados por las consecuencias del cambio climático, en especial el sur del Departamento del Atlántico, por lo tanto se presenta el modelo de despliegue de una WSN para medir las variables que influyen en las inundaciones en el sur del Departamento del Atlántico teniendo en cuenta las condiciones topográficas y climáticas propias del lugar.
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
Subject
The topic of the resource
Colombia, Departamento del Atlántico, INUNDACIONES, Modelo de despliegue, Precipitaciones, WSN
Identifier
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10.15665/rp.v13i1.365
Source
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Prospectiva
Publisher
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Universidad del Valle
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Mechanical engineering and machinery
Relation
A related resource
<a href="http://ojs.uac.edu.co/index.php/prospectiva/article/view/365" target="_blank" rel="noreferrer noopener">http://ojs.uac.edu.co/index.php/prospectiva/article/view/365</a>
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https://www.socictopen.socict.org/files/original/c90236dc0436ca4375bafad85118db3c.pdf
a1768b38482b9642f874dd8f22d5e2f9
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
Consórcio couve-coentro em cultivo orgânico e sua influência nas populações de joaninhas Performance of the kale-coriander intercropping in organic cultivation and its influence on the populations of ladybeetles
Creator
An entity primarily responsible for making the resource
José Guilherme M Guerra, Raul de LD Ribeiro, André Luis S Resende, Abraão José da S Viana, Rafael J Oliveira, Elen de L Aguiar-Menezes, Marta dos SF Ricci
Description
An account of the resource
O consórcio de culturas é comumente praticado na produção de hortaliças devido a diversos benefícios econômicos. Em alguns casos, podem reduzir infestações de pragas por favorecer a conservação dos inimigos naturais nos agroecossistemas. Avaliou-se a viabilidade agronômica do consórcio de couve e coentro, sob manejo orgânico, com base em parâmetros fitotécnicos, além de sua influência sobre populações de joaninhas (Coleoptera: Coccinellidae), na comparação com os respectivos cultivos solteiros. O coentro, representando a cultura secundária, foi utilizado com a finalidade de fornecer recursos para as joaninhas. O estudo foi realizado em área do Sistema Integrado de Produção Agroecológica em Seropédica-RJ. O experimento consistiu dos consórcios: 1) couve consorciada com coentro, cujas quatro linhas de plantas foram colhidas na fase vegetativa (consórcio I), e 2) couve consorciada com coentro, cujas plantas das duas linhas internas (próximas à linha da couve) foram colhidas na fase vegetativa e as duas linhas externas foram cortadas após floração (consórcio II). Em ambos consórcios foram avaliados os parâmetros fitotécnicos da couve e do coentro na fase vegetativa (padrão comercial), enquanto que no consórcio II, também se avaliou as populações de joaninhas, por meio de coletas semanais de adultos, em comparação com a couve em cultivo solteiro. O delineamento experimental foi em blocos ao acaso com quatro repetições. O coentro não interferiu na produtividade da couve consorciada e sua introdução contribuiu positivamente para a abundância e diversidade de espécies de joaninhas. O índice de equivalência de área para o consórcio I, com referência aos rendimentos de biomassa aérea fresca, foi superior em 92% em relação ao cultivo solteiro. Este resultado demonstra a viabilidade do consórcio I, no manejo orgânico adotado, para plantios de outono nas condições edafoclimáticas da Baixada Fluminense.Intercropping is commonly practiced in the production of vegetable crops due to diverse economic benefits. In some cases, it may decrease the infestations of pests by favoring the conservation of the natural enemies in the agroecosystems. This study aimed to evaluate the agronomical viability of the kale and coriander intercropping, under organic management, based on phytotechnical parameters, and its influence on the populations of ladybeetles (Coleoptera: Coccinellidae) in comparison to respective sole crops. Coriander, representing the secondary crop, was used aiming to provide resources to ladybeetles. The study was carried out in area of the Sistema Integrado de Produção Agroecológica, Seropédica county, State of Rio de Janeiro. The experiment consisted of two types of intercropping: 1) kale intercropped with coriander, whose four lines of plants were harvested at the vegetative phase (intercropping I), and 2) kale intercropped with coriander, whose plants of the two internal lines (near to the line of kale) were harvested at the vegetable phase, and the two external lines were cut after blossom (intercropping II). In both intercropping the phytotechnical parameters of the kale and the coriander at the vegetative phase (commercial standard) were evaluated, while in the intercropping II, the populations of ladybeetles were also evaluated by weekly samples of adults, in comparison to kale sole crop. The experimental design was of randomized blocks with four replicates. Coriander did not interfere in the productivity of the kale intercropped and its introduction contributed positively to the abundance and the species diversity of ladybeetles. The land equivalent ratio for the intercropping I, taking into account the yield of fresh aerial biomass, was superior in 92% in relation to kale sole crop. This result demonstrates the viability of the intercropping I, in the organic management adopted, for cultivation of autumn in the edaphoclimatic conditions of the Baixada Fluminense region.
Date
A point or period of time associated with an event in the lifecycle of the resource
2010
Subject
The topic of the resource
Agricultura orgânica, Brassica oleracea var. acephala, Coriandrum sativum, agronomic efficiency, biological control, controle biológico, eficiência agronômica, organic agriculture
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0102-05362010000100008
Source
A related resource from which the described resource is derived
Horticultura Brasileira
Publisher
An entity responsible for making the resource available
Associação Brasileira de Olericultura
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Plant culture
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362010000100008" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362010000100008</a>
-
https://www.socictopen.socict.org/files/original/87789af780bcedb6e9d918fa5e87b405.pdf
2c11d31b68d8f0945d6ce00530472122
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
Produção de cebola orgânica em função do uso de cobertura morta e torta de mamona Production of organically grown onions depending on the use of mulch and castor bean cake
Creator
An entity primarily responsible for making the resource
José Guilherme M Guerra, Raul de LD Ribeiro, José Antônio A Espindola, Silvio da S Santos, Marco Antonio de A Leal
Description
An account of the resource
A cebola é uma hortaliça consumida em grande quantidade e tem sua produção concentrada no âmbito da agricultura familiar, sendo responsável pela geração de emprego e renda para grande número de produtores rurais que tem no cultivo desta espécie sua única fonte de renda. É crescente a demanda por tecnologias para produção de cebola adequadas à agricultura familiar, com ênfase em técnicas agroecológicas. Neste aspecto, destaca-se a utilização de coberturas mortas e adubos orgânicos. O objetivo deste trabalho foi avaliar o efeito de diferentes coberturas mortas, associados a doses crescentes de torta de mamona aplicadas em cobertura, na produção total e no diâmetro dos bulbos de cebola produzidos em sistema orgânico. Observou-se efeito significativo da cobertura morta na produção total e nas diferentes classes de diâmetro de bulbo. Não foram observados efeitos significativos da adubação com a torta de mamona e da interação entre cobertura e adubação com torta de mamona. O efeito benéfico da cobertura morta na produtividade e na qualidade da cebola foi, provavelmente, decorrente da manutenção de maior umidade e da redução da amplitude térmica do solo.Onion is a highly consumed vegetable whose production is based on smallholder agriculture. The onion production is responsible for the generation of jobs and income for many farmers who have this as the only source of income. There is a growing demand for onion production technologies suitable for smallholders, with emphasis on agroecology. In this respect, we highlight the use of mulches and organic fertilizers. The aim of this study was to evaluate the effect of different mulches, associated to increasing doses of castor bean cake applied in side dressing on total production and diameter of onion bulbs grown in organic system. There was a significant effect of the mulch over the total yield and the yield obtained of different diameter classes of bulbs. There were no significant effects of side dressing with the castor bean cake, neither of the interaction between the mulch and the fertilization with castor bean cake. The beneficial effect of mulch which probably had more influence on the increasing of onion yield was the maintenance of moisture and reduction of soil temperature range.
Date
A point or period of time associated with an event in the lifecycle of the resource
2012
Subject
The topic of the resource
Allium cepa, adubação orgânica, mulch, organic manuring
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0102-05362012000300032
Source
A related resource from which the described resource is derived
Horticultura Brasileira
Publisher
An entity responsible for making the resource available
Associação Brasileira de Olericultura
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Plant culture
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000300032" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000300032</a>
-
https://www.socictopen.socict.org/files/original/d66f0e0fcc3aa466976258fd5dc49bf0.pdf
c8e0ae80ee5469249478d53e17e9d4c3
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
Onion yield under agroecological farming system using distinct irrigation depths and soil covers
Creator
An entity primarily responsible for making the resource
José Guilherme Marinho Guerra, Eduardo Castro Ribeiro, Daniel Fonseca de Carvalho, Lucas Antonio de Freitas Santos
Description
An account of the resource
ABSTRACT: The present study was carried out in order to evaluate the effects of irrigation depths applied through drip and presence/absence of soil cover in onion yield, under agroecological farming. The experiment was conducted in Seropédica, RJ, Brazil, from May to September 2012. The experimental design was a randomized complete block with split-plot design with 10 treatments and 7 replications, characterized by the presence (+S) and absence (-S) of soil cover and five irrigation depths according to percentages of the crop evapotranspiration (ETc): 0, 22, 45, 75 and 100% (0, 155, 220.6, 320.5 and 372,7mm in +S condition and 0, 145.5, 207.6, 285, 351,4mm in -S condition). The irrigation influenced by second-order polynomial regression the total yield of bulbs, percentage distribution of bulbs in diameter classes and water use efficiency (WUE) in the -S condition, and in the linear regression the WUE in +S condition. The soil cover promoted an increase on the total bulb yield, WUE and the percentage of bulbs classified in classes of greater diameter.
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
Subject
The topic of the resource
Agricultura orgânica, Allium cepa L, eficiência do uso da água
Identifier
An unambiguous reference to the resource within a given context
10.1590/0103-8478cr20150342
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&pid=S0103-84782016000500783&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500783&lng=en&tlng=en</a>
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https://www.socictopen.socict.org/files/original/5483fad6e3cfaaa23d0f918b602085f5.pdf
c24a7ac44b74faf68447b8e8c2df9c60
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
Desempenho de crotalária cultivada em diferentes épocas de semeadura e de corte
Creator
An entity primarily responsible for making the resource
José Guilherme Marinho Guerra, Marco Antonio de Almeida Leal, Ricardo Trippia dos Guimarães Peixoto, Dejair Lopes de Almeida
Description
An account of the resource
Importante alternativa para suprir a crescente demanda por fertilizantes orgânicos verificada no país é o cultivo de leguminosas como adubos verdes. Estas espécies adicionam ao solo matéria orgânica e nitrogênio fixado biologicamente. Para que a adubação verde seja utilizada com sucesso, é necessário identificar espécies vegetais com grande produtividade de massa, elevada capacidade de acumulação de N, rusticidade e facilidade de manejo nos diversos sistemas de produção. Este trabalho teve como objetivo determinar a época de plantio e a idade de corte mais adequados para a produção de massa e acumulação de N, em crotalária (Crotalaria juncea L.), nas condições edafoclimáticas da Baixada Fluminense. Foram avaliadas quatro épocas de plantio, entre a primavera e o verão, e três idades de corte. Quando os cortes foram realizados aos três ou aos quatro meses de idade, os maiores valores de produção de matéria seca foram obtidos na semeadura realizada na metade da primavera, e os menores valores foram obtidos na semeadura realizada no final do verão. As maiores acumulações de N na parte aérea de crotalária semeada na metade de primavera foram obtidas com cortes realizados aos três ou aos quatro meses. No cultivo iniciado no final da primavera, plantas cortadas aos quatro meses de idade apresentaram acumulação de N superior à das plantas cortadas aos dois meses. Nos cultivos iniciados no verão, não ocorreram diferenças significativas entre as idades de corte.
Date
A point or period of time associated with an event in the lifecycle of the resource
2012
Subject
The topic of the resource
Adubo verde, Crotalaria juncea L, Fotoperiodismo, leguminosas
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0034-737X2012000300014
Source
A related resource from which the described resource is derived
Revista Ceres
Publisher
An entity responsible for making the resource available
Universidade Federal de Viçosa
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), Biotechnology
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-737X2012000300014&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-737X2012000300014&lng=en&tlng=en</a>
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https://www.socictopen.socict.org/files/original/94669672ab843a64edc9ba91fe227d4f.pdf
d1263b0adaa0463b03d63ca1329045fa
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
Evaluación de juegos online para la enseñanza y aprendizaje del cambio climático
Creator
An entity primarily responsible for making the resource
José Gutiérrez Pérez, María Dolores Olvera Lobo, Tania Ouariachi
Description
An account of the resource
Los juegos online han sido propuestos como una herramienta de comunicación y educación prometedora. Teniendo en cuenta que el cambio climático es una de las principales amenazas a las que se enfrentarán los adolescentes en su futuro, el presente trabajo tiene como objetivo principal la evaluación de los elementos comunicativos y educativos de una serie de juegos online sobre cambio climático producidos en España, haciendo uso de unos criterios validados por un panel de expertos con el método Delphi. Los resultados de este estudio exploratorio revelan algunas de las oportunidades que ofrecen estas herramientas, tales como el encuadre alternativo de los mensajes o el desarrollo de distintas competencias y habilidades, pero también sus limitaciones, como la falta de instituciones científicas en la producción o de posibilidades para estudiantes con diversidad funcional.
Date
A point or period of time associated with an event in the lifecycle of the resource
2017
Subject
The topic of the resource
Cambio climático, Internet, Videojuegos, evaluación, interactividad
Identifier
An unambiguous reference to the resource within a given context
10.5565/rev/ensciencias.2088
Source
A related resource from which the described resource is derived
Enseñanza de las Ciencias
Publisher
An entity responsible for making the resource available
Universitat Autònoma de Barcelona
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Special aspects of education, Science (General)
Relation
A related resource
<a href="https://ensciencias.uab.es/article/view/2088" target="_blank" rel="noreferrer noopener">https://ensciencias.uab.es/article/view/2088</a>
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https://www.socictopen.socict.org/files/original/5bc6a844cce53646f64d9aa2c712705c.pdf
1d101a09555f5be8633dd06122e24872
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
UM PERFIL DA EXPANSÃO CANAVIEIRA NA ALTA PAULISTA
Creator
An entity primarily responsible for making the resource
José Hélio da Silva
Description
An account of the resource
O artigo procura analisar, com base nos resultados de pesquisa em curso, a expansão da cana-de-açúcar na micro-região da Alta Paulista e seus principais aspectos. Assim, ao final da explanação, chegamos à conclusão de que o esgotamento da agricultura familiar, o empobrecimento e a expropriação dos pequenos produtores, a substituição de áreas anteriormente destinadas à produção de alimentos e atualmente voltadas à monocultura da cana-de-açúcar e o êxodo rural constituem resultado direto da gestão da ideologia do agronegócio, tendência verificada a partir dos anos 90 e altamente difundida no início do século XXI.
Date
A point or period of time associated with an event in the lifecycle of the resource
2012
Identifier
An unambiguous reference to the resource within a given context
10.33026/peg.v10i1.1671
Source
A related resource from which the described resource is derived
Revista Pegada Eletrônica
Publisher
An entity responsible for making the resource available
Universidade Estadual Paulista Júlio de Mesquita Filho
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Labor. Work. Working class
Relation
A related resource
<a href="http://revista.fct.unesp.br/index.php/pegada/article/view/1671" target="_blank" rel="noreferrer noopener">http://revista.fct.unesp.br/index.php/pegada/article/view/1671</a>
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https://www.socictopen.socict.org/files/original/4983f4eb410966b31ac1e28eb5547e16.pdf
cbaff275dab592eaad7074f27d3772e5
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 social and environmental impacts on innovation in brazil due to public promotion Evaluación de los impactos sociales y ambientales del fomento público a la innovación en brasil Avaliação de impactos socioambientais do fomento público à Inovação no brasil
Creator
An entity primarily responsible for making the resource
José Henrique Souza, Takeshy Tachizawa, Marcia Carvalho de Azevedo, Hamilton Pozo
Description
An account of the resource
Evaluation of public promotion of social and environmental issues in relation to innovation has been restricted to reporting successes and investments made. The recent past has not favored evaluations by the public agencies. Now, however, the robust economy, dramatic climate changes and the evolution of society encourage an expectation of effective monitoring and evaluation. Therefore the need for these promoting agencies to comprehensively evaluate social and environmental impacts of their actions is addressed in this workLa evaluación de resultados del fomento público a la innovación en Brasil se ha limitado a mostrar historias de éxito y los valores invertidos. El pasado reciente poco favoreció el desarrollo de evaluaciones integrales por los organismos públicos. Sin embargo, la nueva fase de la economía, el dramático cambio climático y la evolución de la sociedad brasileña dejan espacio abierto para valorar la evaluación y el seguimiento. Este artículo trata de la necesidad de que organismos públicos de fomento evalúen los impactos social y ambiental de sus accionesA avaliação de resultados do fomento público brasileiro à inovação tem se restringido a evidenciar casos de sucesso e valores investidos. O passado recente pouco favoreceu o desenvolvimento de avaliações abrangentes por parte das agências públicas. Entretanto, a nova fase da economia, a dramática mudança climática e a evolução da sociedade brasileira abrem espaços para que a avaliação e o monitoramento sejam efetivamente valorizados. O presente trabalho trata da necessidade de as agências públicas de fomento avaliarem os impactos socioambientais de suas ações
Date
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2009
Subject
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Avaliação, Impactos sócioambientais, Inovação
Source
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REGE Revista de Gestão
Publisher
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Emerald Publishing
Coverage
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Business, Commerce
Relation
A related resource
<a href="http://www.revistas.usp.br/rege/article/view/36683" target="_blank" rel="noreferrer noopener">http://www.revistas.usp.br/rege/article/view/36683</a>
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https://www.socictopen.socict.org/files/original/c1f32c22711f6f2b07bd36c4a2a9c3d7.pdf
05335dc315728817fbf536f7721fd71c
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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
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Agricultura sostenible
Description
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Dominio científico: Agricultura sostenible
Text
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Efecto del calcio y azufre en el sistema de maíz-frijol en ladera ante un nivel de nitrógeno y fósforo en El Salvador 1989
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José Heriberto Sosa M., Víctor M. Mendoza O., Edgar Noel Ascencio, Ana Gertrudis Alvarado, Sonia Bonilla, William R. Raun
Description
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Dos ensayos fueron iniciados por dos años en suelos derivados de ceniza volcanica en Opico Quezaltepeque, El Salvador, para evaluar la respuesta de aplicar azufre (S), calcio (Ca) y (K) potasio en un sistema maíz-frijol (Maíz sembrado en mayo, frijol sembrado en relevo en agosto).También se evaluó el efecto de quemar los residuos lo cual es una práctica común, en comparación a la labranza cero. Cuatro ciclos de datos (2 de maíz y 2 de frijol) fueron obtenidos en las dos localidades. Los tratamientos consistieron en varias combinaciones de sulfato de amonio y urea, con y sin S, Ca y K. Los rendimientos fueron mayores cuando se aplicó sulfato de amonio (100 kg N/ha) junto con formula (16-20-0,30 kg P2O5 / ha) en bandas en labranza cero. Este mismo tratamiento evaluado con la quema daba rendimientos significativamente mas bajos. Comparando sulfato de amonio y urea aplicados juntos con el fósforo se notó una posible respuesta de azufre en estos suelos. Aplicaciones de potasio no produjeron incremento en el rendimiento de maíz o frijol. La respuesta de haber aplicado 3 Mg de cal dolomítica / ha en los dos ciclos de maíz resultó en incrementos en el rendimiento del frijol; pero esto se observó hasta el último ciclo.
Date
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2016
Subject
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Fertilidad, labranza
Identifier
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10.15517/am.v2i0.25226
Source
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Agronomía Mesoamericana
Publisher
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Universidad de Costa Rica
Coverage
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Agriculture
Relation
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<a href="https://revistas.ucr.ac.cr/index.php/agromeso/article/view/25226" target="_blank" rel="noreferrer noopener">https://revistas.ucr.ac.cr/index.php/agromeso/article/view/25226</a>
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https://www.socictopen.socict.org/files/original/36f0b2cc6a6b3959deb4acf4d46eb6c3.pdf
47f70083e21ac56afca151084893a8c2
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
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Agricultura sostenible
Description
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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
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USE OF ALTERNATIVE SUBSTRATES FOR BROCCOLI SEEDLING PRODUCTION UNDER GREENHOUSE CONDITIONS
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José Hernán Zurita-Vasquez, Edgar Luciano Valle-Velastegui, Marcia Eduviges Buenaño-Sanchez, Deysi Alexadra Guevara-Freire, Gonzalo Javier Mena-Viera, Carlos Luis Vasquez-Freitez
Description
An account of the resource
In this study, the effect of two alternative growing substrates (corncob and Azolla anabaena) on some vegetative parameters (days to emergence, stem diameter, plant height and root volume) in seedlings of broccoli hybrid Coronado were evaluated. Both materials were ground and used according to the following treatments: 100% corncob (T1), 100% Azolla (T2), 50% corncob + Azolla 50% (T3), corncob 75% + Azolla 25% (T4), 25% corncob + Azolla 75% (T5) and then compared to a commercial substrate (BM2) (T6). Substrates were uniformly mixed, deposited in germination trays and watered at field capacity. Additionally, physic-chemical characteristics were determined in the different substrates used for broccoli seedling production. Stem diameter, height plant and root volume showed to be statistically higher in seedlings grown in commercial substrate (0.18 cm, 5.27 cm and 0.61 cm3, respectively) followed by those seedlings grown in 100% Azolla (0.17 cm, 4.92 cm and 0.49 cm3, respectively) (p< 0.001). Seedlings growing in substrates with higher corncob proportion showed lower values in these vegetative parameters. Based on our results, Azolla showed potential to be used as a seed substrate for production of broccoli seedlings, thus decreasing the use of peat and consequently the production costs in nurseries.
Date
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2018
Subject
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Agricultura orgânica, Azolla, Brassica, residuos de maíz, sustratos
Source
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Tropical and Subtropical Agroecosystems
Publisher
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Universidad Autónoma de Yucatán
Coverage
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Agriculture (General), Agriculture
Relation
A related resource
<a href="https://www.revista.ccba.uady.mx/ojs/index.php/TSA/article/view/2580" target="_blank" rel="noreferrer noopener">https://www.revista.ccba.uady.mx/ojs/index.php/TSA/article/view/2580</a>