2011
DOI: 10.5216/pat.v41i1.8351
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Abstract: plantada com a leguminosa ocupou 21,73 milhões de hectares, com produtividade média estimada em 2.629 kg ha -1 .O sistema de semeadura direta constitui-se na implantação de culturas agrícolas em solo sem revolvimento e protegido por cobertura morta (Fidelis et al. 2003). A utilização deste sistema tem sido associada ao maior controle da erosão, ao aumento da porosoidade total do solo e à maior conservação de água do solo, resultando em aumento da disponibilidade 1. Trabalho recebido em dez./2009 e aceito para … Show more

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Cited by 49 publications
(69 citation statements)
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References 16 publications
(16 reference statements)
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“…corroborating observations of , , Oliveira et al (2009), Dalchiavon et al (2011, and , who mapped crop yield and concluded that the spatial variability in the maps was high.…”
Section: Resultssupporting
confidence: 76%
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“…corroborating observations of , , Oliveira et al (2009), Dalchiavon et al (2011, and , who mapped crop yield and concluded that the spatial variability in the maps was high.…”
Section: Resultssupporting
confidence: 76%
“…The study was carried out in Rubineia, São Paulo State, Brazil, in a sugarcane field of the sugar mill Vale do Paraná S/A Álcool e Açúcar (20 o 17' 53'' S and 51 o 02' 23'' W, on average 348 m asl), with eutrophic Red Argisol (Ultisol), according to the Brazilian system of soil classification (Embrapa, 2006). In the beginning the soil properties (August/2010) in the 0-0.20 and 0.20-0.40 m layers, respectively, were the following: pH (CaCl 2 ) = 4.8 and 5.3; MO = 15 and 11 g dm -3 ; P (resin) = 5 and 3 mg dm -3 ; K, Ca, Mg and H+Al = 1.2 and 0.7; 18 and 16; 8 and 6; and 18 and 16 mmol c dm -3 ; V = 60 and 59 %; and clay, silt and sand contents of 89 and 141; 67 and 81; and 844 and 778 g kg -1 , respectively.…”
Section: Methodsmentioning
confidence: 99%
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