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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
24/03/1993 |
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Data da última atualização: |
26/10/2004 |
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Autoria: |
ERBACH, D. C. |
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Afiliação: |
National Soil Tilth Laboratory, U.S. Department of Agriculture, Agricultural Research Service, 2150 Pammel Drives, Ames, Iowa 50011, USA. |
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Título: |
Machinery for conservation tillage in soybean. |
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Ano de publicação: |
1989 |
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Fonte/Imprenta: |
In: CONFERENCIA MUNDIAL DE INVESTIGACION EN SOJA, 4., 1989, Buenos Aires. Actas... Buenos Aires: AASOJA, 1989. |
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Volume: |
t.5 |
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Páginas: |
p.2276-2281. |
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Idioma: |
Inglês |
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Conteúdo: |
Plant redisue and soil conditions associated with conservation tillage are different than those with conventional, clean tillage. Therefore equipment used for conventional crop production usually does not work well for conservation tillage. Residue "hairpins" around shanks, wraps around rotating components, and wedges into openings. Residue may prevent tools from entering the soil, interferes with depth control, and can cause chains and belts to run off of sprockets and pulleys. Modification of equipment used with clean tillage, like addition of rolling coulters or weight and increasing clearance for residue, will improve equipment performance. It may be best to use equipment specifically designed to operate in plant residue and in the wetter, firmer, or rou-gher soil conditions commonly associated with conservation tillage. Design or modification to improve operation in conservation-tillage conditions increases the cost of implements in comparison with machines built for use with clear-tillage. This increase may be more than offset by the reduction in the number of fielsd operations necessary to produce a crop with conservation tillage as well as by the savings associated with reduced soil loss and increased water-use efficiency. However, soybean [Glycine max (L.) Merr.] ofter responds well to production systems with low levels of seedbed-preparation intensity and planting precision. Therefore, mechanization requirements for soybean production with conservation tillage often are not difficult or costly to achieve MenosPlant redisue and soil conditions associated with conservation tillage are different than those with conventional, clean tillage. Therefore equipment used for conventional crop production usually does not work well for conservation tillage. Residue "hairpins" around shanks, wraps around rotating components, and wedges into openings. Residue may prevent tools from entering the soil, interferes with depth control, and can cause chains and belts to run off of sprockets and pulleys. Modification of equipment used with clean tillage, like addition of rolling coulters or weight and increasing clearance for residue, will improve equipment performance. It may be best to use equipment specifically designed to operate in plant residue and in the wetter, firmer, or rou-gher soil conditions commonly associated with conservation tillage. Design or modification to improve operation in conservation-tillage conditions increases the cost of implements in comparison with machines built for use with clear-tillage. This increase may be more than offset by the reduction in the number of fielsd operations necessary to produce a crop with conservation tillage as well as by the savings associated with reduced soil loss and increased water-use efficiency. However, soybean [Glycine max (L.) Merr.] ofter responds well to production systems with low levels of seedbed-preparation intensity and planting precision. Therefore, mechanization requirements for soybean production with conservation tillage ofte... Mostrar Tudo |
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Palavras-Chave: |
Conservation; EUA; Solos; Soybean; Terra cultivada; USA. |
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Thesagro: |
Agricultura; Conservação; Equipamento; Glycine Max; Mecanização; Soja. |
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Thesaurus Nal: |
agriculture; mechanization; soil; tillage. |
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Categoria do assunto: |
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Marc: |
LEADER 02387naa a2200337 a 4500
001 1452314
005 2004-10-26
008 1989 bl uuuu u00u1 u #d
100 1 $aERBACH, D. C.
245 $aMachinery for conservation tillage in soybean.
260 $c1989
300 $ap.2276-2281. t.5
490 $vt.5
520 $aPlant redisue and soil conditions associated with conservation tillage are different than those with conventional, clean tillage. Therefore equipment used for conventional crop production usually does not work well for conservation tillage. Residue "hairpins" around shanks, wraps around rotating components, and wedges into openings. Residue may prevent tools from entering the soil, interferes with depth control, and can cause chains and belts to run off of sprockets and pulleys. Modification of equipment used with clean tillage, like addition of rolling coulters or weight and increasing clearance for residue, will improve equipment performance. It may be best to use equipment specifically designed to operate in plant residue and in the wetter, firmer, or rou-gher soil conditions commonly associated with conservation tillage. Design or modification to improve operation in conservation-tillage conditions increases the cost of implements in comparison with machines built for use with clear-tillage. This increase may be more than offset by the reduction in the number of fielsd operations necessary to produce a crop with conservation tillage as well as by the savings associated with reduced soil loss and increased water-use efficiency. However, soybean [Glycine max (L.) Merr.] ofter responds well to production systems with low levels of seedbed-preparation intensity and planting precision. Therefore, mechanization requirements for soybean production with conservation tillage often are not difficult or costly to achieve
650 $aagriculture
650 $amechanization
650 $asoil
650 $atillage
650 $aAgricultura
650 $aConservação
650 $aEquipamento
650 $aGlycine Max
650 $aMecanização
650 $aSoja
653 $aConservation
653 $aEUA
653 $aSolos
653 $aSoybean
653 $aTerra cultivada
653 $aUSA
773 $tIn: CONFERENCIA MUNDIAL DE INVESTIGACION EN SOJA, 4., 1989, Buenos Aires. Actas... Buenos Aires: AASOJA, 1989.
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Registro original: |
Embrapa Soja (CNPSO) |
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