2008
DOI: 10.1590/s0100-06832008000500023
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Produtividade e aspectos nutricionais de plantas de soja cultivadas em solos de cerrado com diferentes texturas

Abstract: RESUMONos últimos anos, o cultivo da soja teve grande expansão em áreas com texturas mais arenosas do Cerrado. Esse fato gerou questionamentos quanto à sustentabilidade e viabilidade técnica, econômica e ambiental da produção dessa cultura. Adicionalmente, esperam-se diferenças no potencial produtivo e na dinâmica de nutrientes em solo e planta com a variação da textura do solo. Este estudo objetivou avaliar a produtividade e os aspectos nutricionais de plantas de soja cultivadas em solos de Cerrado com difere… Show more

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Cited by 29 publications
(30 citation statements)
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“…The agricultural potential of these soils, according to Ramalho Filho & Beek (1995) Light soils, when mechanized and receiving the application of fertilizers and other agricultural inputs, have provided high yields of soybean [Glycine max (L.) Merr. ], corn (Zea mays L.), and cotton (Gossypium hirsutum L.), among other crops, besides making management operations easier (Santos et al, 2008). However, even though they are favorable to mechanization, these soils show limitations regarding fertility, which are related to nutrient storage and to soil pH, for example, as well as susceptibility to erosion and low water retention capacity, which are conditions for agricultural capability in rainfed conditions (Ramalho Filho & Beek, 1995).…”
Section: Agricultural Potential Of Light Soilsmentioning
confidence: 99%
See 1 more Smart Citation
“…The agricultural potential of these soils, according to Ramalho Filho & Beek (1995) Light soils, when mechanized and receiving the application of fertilizers and other agricultural inputs, have provided high yields of soybean [Glycine max (L.) Merr. ], corn (Zea mays L.), and cotton (Gossypium hirsutum L.), among other crops, besides making management operations easier (Santos et al, 2008). However, even though they are favorable to mechanization, these soils show limitations regarding fertility, which are related to nutrient storage and to soil pH, for example, as well as susceptibility to erosion and low water retention capacity, which are conditions for agricultural capability in rainfed conditions (Ramalho Filho & Beek, 1995).…”
Section: Agricultural Potential Of Light Soilsmentioning
confidence: 99%
“…A high investment, however, has been made in crops planted on light soils, since their productivity levels can be as high as those of heavier soils with a clayey texture. Santos et al (2008), using data from 28 commercial soybean stands in the states of Mato Grosso and Mato Grosso do Sul, recorded an average crop yield of 3,090 kg ha -1 grains, with values up to 4,200 kg ha -1 . The soil texture of these plots showed variable clay content of 30 to 150 g kg -1 .…”
Section: Grains and Fibersmentioning
confidence: 99%
“…Na porção central, de cada sítio foi aberta trincheira até 2 metros de profundidade para descrições morfológicas do material. A descrição e coleta do material para análises laboratoriais seguiu metodologia proposta por Santos et al, (2005).…”
Section: áRea De Estudounclassified
“…O aumento do pH decorrente da calagem excessiva induz a deficiência de micronutrientes metálicos, diminuindo sua solubilidade na solução do solo, tornando-os menos disponíveis para as plantas (Rhoton, 2000;Caires & Fonseca, 2000;Santos et al, 2008). Alguns estudos têm sido realizados neste sentido, em áreas de semeadura direta.…”
Section: Introductionunclassified