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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
03/03/2006 |
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Data da última atualização: |
03/03/2006 |
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Autoria: |
FARIAS, J. R. B.; ASSAD, E. D.; NEPOMUCENO, A. L.; NEUMAIER, N.; ALMEIDA, I. R. |
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Título: |
Drought: risks in Brazilian soybean producing regions. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON INTEGRATED APPROACHES TO SUSTAIN AND IMPROVE PLANT PRODUCTION UNDER DROUGHT STRESS, 2., 2005, Rome. InterDrought - II: final program and abstract book. Rome, 2005. Não paginado. |
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Idioma: |
Inglês |
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Notas: |
Resumo P.2.29. |
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Conteúdo: |
Water availability fluctuation is the main factor responsible for soybean yield variability in time and space in Brazil, and is the main limiting factor in obtaining near potential yields. Increments in yield and reductions in crop costs and risks became basic requirements for competitiveness in the current moder agribusiness world. Tools to help the decision making process are essential to tackle these challenges and to obtain
competitive and environmentally sustainable products. A collaborative project involving several Brazilian institutions (MAPA, EMBRAPA, ANEEL, INMET, IAPAR) was developed to demarcate areas with lower risks for soybean cropping in the states of PR, GO, TO, MS, MT, MG and BA. Areas with different probabilities of water deficit occurrence during the most critical phase of the crop development were characterized as favorable, intermediate and unfavorable, using soybean crop water balance models, geographical information systems and geostatistics. Different sowing dates, water availability in each region, water consumption in the different stages of development of the crop, soil type and cultivar were considered. For each State, 54 to 72 maps were generated as a result of the combination of nine or 12 sowing dates, three soil types and two cultivars. Each map portrayed a combination of a leveI of each one of the factors listed above, representing the drought risk classification of different areas of the State for a given sowing date as a function af the soil type and cultivar. These results are presently used by Brazilian governmental policy makers for financing and insure agricultural activities. MenosWater availability fluctuation is the main factor responsible for soybean yield variability in time and space in Brazil, and is the main limiting factor in obtaining near potential yields. Increments in yield and reductions in crop costs and risks became basic requirements for competitiveness in the current moder agribusiness world. Tools to help the decision making process are essential to tackle these challenges and to obtain
competitive and environmentally sustainable products. A collaborative project involving several Brazilian institutions (MAPA, EMBRAPA, ANEEL, INMET, IAPAR) was developed to demarcate areas with lower risks for soybean cropping in the states of PR, GO, TO, MS, MT, MG and BA. Areas with different probabilities of water deficit occurrence during the most critical phase of the crop development were characterized as favorable, intermediate and unfavorable, using soybean crop water balance models, geographical information systems and geostatistics. Different sowing dates, water availability in each region, water consumption in the different stages of development of the crop, soil type and cultivar were considered. For each State, 54 to 72 maps were generated as a result of the combination of nine or 12 sowing dates, three soil types and two cultivars. Each map portrayed a combination of a leveI of each one of the factors listed above, representing the drought risk classification of different areas of the State for a given sowing date as a function af the so... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02288naa a2200181 a 4500
001 1468964
005 2006-03-03
008 2005 bl --- 0-- u #d
100 1 $aFARIAS, J. R. B.
245 $aDrought$brisks in Brazilian soybean producing regions.
260 $c2005
500 $aResumo P.2.29.
520 $aWater availability fluctuation is the main factor responsible for soybean yield variability in time and space in Brazil, and is the main limiting factor in obtaining near potential yields. Increments in yield and reductions in crop costs and risks became basic requirements for competitiveness in the current moder agribusiness world. Tools to help the decision making process are essential to tackle these challenges and to obtain competitive and environmentally sustainable products. A collaborative project involving several Brazilian institutions (MAPA, EMBRAPA, ANEEL, INMET, IAPAR) was developed to demarcate areas with lower risks for soybean cropping in the states of PR, GO, TO, MS, MT, MG and BA. Areas with different probabilities of water deficit occurrence during the most critical phase of the crop development were characterized as favorable, intermediate and unfavorable, using soybean crop water balance models, geographical information systems and geostatistics. Different sowing dates, water availability in each region, water consumption in the different stages of development of the crop, soil type and cultivar were considered. For each State, 54 to 72 maps were generated as a result of the combination of nine or 12 sowing dates, three soil types and two cultivars. Each map portrayed a combination of a leveI of each one of the factors listed above, representing the drought risk classification of different areas of the State for a given sowing date as a function af the soil type and cultivar. These results are presently used by Brazilian governmental policy makers for financing and insure agricultural activities.
700 1 $aASSAD, E. D.
700 1 $aNEPOMUCENO, A. L.
700 1 $aNEUMAIER, N.
700 1 $aALMEIDA, I. R.
773 $tIn: INTERNATIONAL CONFERENCE ON INTEGRATED APPROACHES TO SUSTAIN AND IMPROVE PLANT PRODUCTION UNDER DROUGHT STRESS, 2., 2005, Rome. InterDrought - II: final program and abstract book. Rome, 2005. Não paginado.
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Registro original: |
Embrapa Soja (CNPSO) |
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| Registros recuperados : 7 | |
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