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53. | | GAUDÊNCIO, C. de A.; MACHADO, C. C.; COSTA, J. M. Rotação milho-soja sucedida por trigo, adubação verde e cobertura morta do solo, no sistema alternado de semeadura direta e preparo do solo, ano agrícola 1991/92, Campo Mourão, PR. In: EMBRAPA SOJA. Resultados de pesquisa de soja 1991/92. Londrina, 1999. pt. 1. p. 114-117. (Embrapa Soja. Documentos, 138). Biblioteca(s): Embrapa Soja. |
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60. | | GAUDÊNCIO, C. de A.; PETRUCCI, G. L.; HEIDRICH-SOBRINHO, E. Influência da sanidade e do tratamento de sementes com "Thiram" no poder germinativo, no vigor e na emergência de duas cultivares de trigo, em determinações de laboratório e de campo. Agronomia Sulriograndense, Porto Alegre, v. 13, n. 2, p. 237-247, 1977. p. 210-212. Biblioteca(s): Embrapa Soja; Embrapa Trigo. |
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Registros recuperados : 203 | |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
16/10/1992 |
Data da última atualização: |
26/10/2004 |
Autoria: |
BORKERT, C. M.; GAUDENCIO, C. de A.; LANTMANN, A. F. |
Afiliação: |
EMBRAPA-CNPSo. Londrina, PR. |
Título: |
Fertilization and rotation of the soybean crop in the South of Brazil. |
Ano de publicação: |
1989 |
Fonte/Imprenta: |
In: CONFERENCIA MUNDIAL DE INVESTIGACION DE SOJA, 4., 1989, Buenos Aires. Actas... Buenos Aires: AASOJA, 1989. |
Volume: |
t.5 |
Páginas: |
p.2282-2294. |
Idioma: |
Inglês |
Conteúdo: |
The oxisols and ultisols of the tropics usually are less fertile than the soils of temperate regions. Some soybean varieties cultivated in the tropics are more tolerant to high Al and Mn concentrations in acid soils than wheat. They may even grow relatively well with less fertilizer, but to attain high productivity levels they need a large amount of inputs. These acidic and higly weahered soils may produce high yields after liming and a corrective fertilization for phosphorus and sometimes potassium. However, after several years of soybean-wheat double cropping on these soils, there has beean a gradual reduction in yields even with large amounts of inputs. This decrease can not be explained by low soil fertility, since chemical analysis shows high nutrients availability. It may be mainly atributed to poor soil tilth due to excessive plowing and disking, and continuous soybean-wheat doble cropping without a crop rotation. Different from the cold regions, where in winter no crops are grown and the soil is covered by snow, the tropics are characterized by year round cultivation. This year round systems is used in regions with enough rainfall or where irrigation is possible in the dry season, since there are no serious temperature and light limitations. However, continuous cultivation of these two crops led to compacted soil and high erosion, in addition to an increase in plant diseases an insect problems. These problems were partially overcome by some farmers who successfully adopted the no-till cultivation ... MenosThe oxisols and ultisols of the tropics usually are less fertile than the soils of temperate regions. Some soybean varieties cultivated in the tropics are more tolerant to high Al and Mn concentrations in acid soils than wheat. They may even grow relatively well with less fertilizer, but to attain high productivity levels they need a large amount of inputs. These acidic and higly weahered soils may produce high yields after liming and a corrective fertilization for phosphorus and sometimes potassium. However, after several years of soybean-wheat double cropping on these soils, there has beean a gradual reduction in yields even with large amounts of inputs. This decrease can not be explained by low soil fertility, since chemical analysis shows high nutrients availability. It may be mainly atributed to poor soil tilth due to excessive plowing and disking, and continuous soybean-wheat doble cropping without a crop rotation. Different from the cold regions, where in winter no crops are grown and the soil is covered by snow, the tropics are characterized by year round cultivation. This year round systems is used in regions with enough rainfall or where irrigation is possible in the dry season, since there are no serious temperature and light limitations. However, continuous cultivation of these two crops led to compacted soil and high erosion, in addition to an increase in plant diseases an insect problems. These problems were partially overcome by some farmers who successfully a... Mostrar Tudo |
Palavras-Chave: |
Brasil; Fertilizacao; Fertilization; Fertilizer; Nutrient; Regiao sul; Rotacao; Rotation; South region; Soybean. |
Thesagro: |
Adubação; Fertilizante; Nutriente; Plantio Direto; Soja; Solo; Trigo. |
Thesaurus NAL: |
Brazil; no-tillage; soil; wheat. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02592naa a2200421 a 4500 001 1451655 005 2004-10-26 008 1989 bl uuuu u00u1 u #d 100 1 $aBORKERT, C. M. 245 $aFertilization and rotation of the soybean crop in the South of Brazil. 260 $c1989 300 $ap.2282-2294. t.5 490 $vt.5 520 $aThe oxisols and ultisols of the tropics usually are less fertile than the soils of temperate regions. Some soybean varieties cultivated in the tropics are more tolerant to high Al and Mn concentrations in acid soils than wheat. They may even grow relatively well with less fertilizer, but to attain high productivity levels they need a large amount of inputs. These acidic and higly weahered soils may produce high yields after liming and a corrective fertilization for phosphorus and sometimes potassium. However, after several years of soybean-wheat double cropping on these soils, there has beean a gradual reduction in yields even with large amounts of inputs. This decrease can not be explained by low soil fertility, since chemical analysis shows high nutrients availability. It may be mainly atributed to poor soil tilth due to excessive plowing and disking, and continuous soybean-wheat doble cropping without a crop rotation. Different from the cold regions, where in winter no crops are grown and the soil is covered by snow, the tropics are characterized by year round cultivation. This year round systems is used in regions with enough rainfall or where irrigation is possible in the dry season, since there are no serious temperature and light limitations. However, continuous cultivation of these two crops led to compacted soil and high erosion, in addition to an increase in plant diseases an insect problems. These problems were partially overcome by some farmers who successfully adopted the no-till cultivation ... 650 $aBrazil 650 $ano-tillage 650 $asoil 650 $awheat 650 $aAdubação 650 $aFertilizante 650 $aNutriente 650 $aPlantio Direto 650 $aSoja 650 $aSolo 650 $aTrigo 653 $aBrasil 653 $aFertilizacao 653 $aFertilization 653 $aFertilizer 653 $aNutrient 653 $aRegiao sul 653 $aRotacao 653 $aRotation 653 $aSouth region 653 $aSoybean 700 1 $aGAUDENCIO, C. de A. 700 1 $aLANTMANN, A. F. 773 $tIn: CONFERENCIA MUNDIAL DE INVESTIGACION DE SOJA, 4., 1989, Buenos Aires. Actas... Buenos Aires: AASOJA, 1989.
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