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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
26/03/1996 |
Data da última atualização: |
28/06/2007 |
Autoria: |
BELARMINO, L. C.; GATTI, M. M.; SANTOS, J. S. |
Título: |
Controle de lagartas da soja por inseticidas microbianos. |
Ano de publicação: |
1994 |
Fonte/Imprenta: |
In: EMBRAPA. Centro de Pesquisa Agropecuaria de Clima Temperado (Pelotas, RS). Resultados de pesquisa de soja 1992/1993. Pelotas, 1994. |
Páginas: |
p.21-26. |
Série: |
(EMBRAPA-CPACT. Documentos, 08). |
Idioma: |
Português |
Palavras-Chave: |
Bacillus; Bioinseticida; Brasil; Insect; Rio Grande do Sul; Soybean. |
Thesagro: |
Bactéria; Baculovirus Anticarsia; Controle Biológico; Inseto; Soja; Vírus. |
Thesaurus Nal: |
biological control; Brazil. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00920naa a2200325 a 4500 001 1455972 005 2007-06-28 008 1994 bl uuuu u00u1 u #d 100 1 $aBELARMINO, L. C. 245 $aControle de lagartas da soja por inseticidas microbianos. 260 $c1994 300 $ap.21-26. 490 $a(EMBRAPA-CPACT. Documentos, 08). 650 $abiological control 650 $aBrazil 650 $aBactéria 650 $aBaculovirus Anticarsia 650 $aControle Biológico 650 $aInseto 650 $aSoja 650 $aVírus 653 $aBacillus 653 $aBioinseticida 653 $aBrasil 653 $aInsect 653 $aRio Grande do Sul 653 $aSoybean 700 1 $aGATTI, M. M. 700 1 $aSANTOS, J. S. 773 $tIn: EMBRAPA. Centro de Pesquisa Agropecuaria de Clima Temperado (Pelotas, RS). Resultados de pesquisa de soja 1992/1993. Pelotas, 1994.
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Embrapa Soja (CNPSO) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
01/06/2020 |
Data da última atualização: |
01/06/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
GOMES, F. de K.; HOMEM. B. G. C.; OLIVEIRA, M. D. B. L de; DUBEUX, J. C. B.; BODDEY, R. M.; BERNARDES, T. F.; CASAGRANDE, D. R. |
Afiliação: |
FERNANDA DE KÁSSIA GOMES B, UFLA; BRUNO GROSSI COSTA HOMEM, UFLA; UFLA; University of Florida, USA; ROBERT MICHAEL BODDEY, CNPAB; UFLA; UFLA. |
Título: |
Defoliation frequency affects litter responses and nitrogen excretion by heifers in palisadegrass?forage peanut pastures. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Agronomy Journal, v., p. 1-12, 2020 |
ISSN: |
1435-0645 |
DOI: |
DOI: 10.1002/agj2.20240 |
Idioma: |
Inglês |
Conteúdo: |
Legumes can contribute significantly to nitrogen (N) input in grazing systems. Grazing management is a critical factor affecting N cycling in mixed pastures, altering the legume N input as a result. This study assessed how defoliation frequency affects N cycling inrotationally stocked palisadegrass (Brachiariabrizantha)and forage peanut (Arachis pintoi) pastures. Treatments included four grazing management strategies, defined by the rest period interruption when the canopy reached 90 (90LI), 95 (95LI), and 100% (100LI) of photosynthetically active radiation interception (LI), and a fixed rest period of 42 d (42D). A 2-yr experimental period was adopted. Existing litter was greater at 100LI (2208 vs. 1964 kg ha−1; average of 42D, 90LI, and 95LI, respectively). Greater defoliation frequency (42D and 90LI) resulted in increase of litter legume proportion, resulting in greater decomposition rate, lower litter halflife (p < .001, and p = .015, respectively), and greater N cycling (91 vs. 64 kg ha−1 season−1). Less frequent defoliation (100LI) resulted in reduced total forage intake, proportion of legume intake, and lower N intake compared with other treatments (p= .007, p= .081, and p < .001, respectively). Greater defoliation frequency increased N cycling via litter, but did not affect excretion due to compensation with stocking rate. Defoliation frequency between 90 and 95% LI optimizes N cycling in palisadegrass-forage peanut mixed pastures. |
Thesagro: |
Brachiaria sp. |
Thesaurus NAL: |
Arachis pintoi. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02201naa a2200241 a 4500 001 2122865 005 2020-06-01 008 2020 bl uuuu u00u1 u #d 022 $a1435-0645 024 7 $aDOI: 10.1002/agj2.20240$2DOI 100 1 $aGOMES, F. de K. 245 $aDefoliation frequency affects litter responses and nitrogen excretion by heifers in palisadegrass?forage peanut pastures. 260 $c2020 520 $aLegumes can contribute significantly to nitrogen (N) input in grazing systems. Grazing management is a critical factor affecting N cycling in mixed pastures, altering the legume N input as a result. This study assessed how defoliation frequency affects N cycling inrotationally stocked palisadegrass (Brachiariabrizantha)and forage peanut (Arachis pintoi) pastures. Treatments included four grazing management strategies, defined by the rest period interruption when the canopy reached 90 (90LI), 95 (95LI), and 100% (100LI) of photosynthetically active radiation interception (LI), and a fixed rest period of 42 d (42D). A 2-yr experimental period was adopted. Existing litter was greater at 100LI (2208 vs. 1964 kg ha−1; average of 42D, 90LI, and 95LI, respectively). Greater defoliation frequency (42D and 90LI) resulted in increase of litter legume proportion, resulting in greater decomposition rate, lower litter halflife (p < .001, and p = .015, respectively), and greater N cycling (91 vs. 64 kg ha−1 season−1). Less frequent defoliation (100LI) resulted in reduced total forage intake, proportion of legume intake, and lower N intake compared with other treatments (p= .007, p= .081, and p < .001, respectively). Greater defoliation frequency increased N cycling via litter, but did not affect excretion due to compensation with stocking rate. Defoliation frequency between 90 and 95% LI optimizes N cycling in palisadegrass-forage peanut mixed pastures. 650 $aArachis pintoi 650 $aBrachiaria sp 700 1 $aHOMEM. B. G. C. 700 1 $aOLIVEIRA, M. D. B. L de 700 1 $aDUBEUX, J. C. B. 700 1 $aBODDEY, R. M. 700 1 $aBERNARDES, T. F. 700 1 $aCASAGRANDE, D. R. 773 $tAgronomy Journal$gv., p. 1-12, 2020
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