2015
DOI: 10.1590/1807-1929/agriambi.v19n3p293-297
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Rentabilidade na semeadura cruzada da cultura da soja

Abstract: O plantio cruzado da soja consiste em semear a área em duas passadas de modo que a segunda fique perpendicular à primeira, formando um tabuleiro de xadrez. Desta forma, o objetivo do trabalho foi avaliar a produtividade e os custos de produção da cultura da soja quando semeada em diferentes arranjos de semeadura cruzada. O experimento foi realizado nas safras 2011/2012 e 2012/2013, em área cultivada em sistema de plantio direto. O delineamento experimental foi em blocos casualizados com 5 tratamentos e 8 repet… Show more

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Cited by 13 publications
(17 citation statements)
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“…Crossed row spacing did not result in increased yields when compared to traditional rows with either cultivar. This spacing is less efficient due to its higher operating cost and lower net revenue (SILVA et al, 2015). Crossed rows reduce the operational seeding capacity by half, besides doubling the use of sowing machines, which increases soil compaction.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Crossed row spacing did not result in increased yields when compared to traditional rows with either cultivar. This spacing is less efficient due to its higher operating cost and lower net revenue (SILVA et al, 2015). Crossed rows reduce the operational seeding capacity by half, besides doubling the use of sowing machines, which increases soil compaction.…”
Section: Resultsmentioning
confidence: 99%
“…In crossed rows, half of the seeds are sown in one direction and the other half in the transverse direction, that is, the sowing rows are crossed (BALBINOT JUNIOR et al, 2015a). Recent studies indicate that the second sowing operation may negatively impact the establishment of stands due to soil rotation and additional compaction on the area already sown, which may have variable effects on grain yield (BALBINOT JUNIOR et al, 2015b;SILVA et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Não só apoiado em análises de desempenho agronômico, mas sob outro prisma, este trabalho demonstrou, através da dinâmica da RFA no dossel, por que o cultivo adensado da soja, ou seja, acima de 40 plantas·m -2 , não proporciona ganhos em produtividade e, de outro modo, pode onerar demasiadamente os custos de produção (Silva et al 2015) em função do maior gasto de sementes, fertilizantes e defensivos agrícolas. Segundo Petter et al (2012), encontram refletidas nos componentes de rendimento e produtividade.…”
Section: Resultsunclassified
“…In Brazil, many studies have been conducted to adjust the density of soybean plants in order to increase grain yield (Ludwig et al, 2011;Balbinot Júnior et al, 2015;Silva et al, 2015). However, there are few studies considering cultivars with indeterminate growth habit, development cycle shorter than 120 days and plants with low size and compact architecture -attributes increasingly desired in soybean genetic breeding programs (Souza et al, 2010).…”
Section: Introductionmentioning
confidence: 99%