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Nitrogen management effects on soil mineral nitrogen, plant nutrition and yield of super early cycle common bean genotypes Agronomy
Nascente, Adriano Stephan; Carvalho, Maria da Conceição Santana; Melo, Leonardo Cunha; Rosa, Paulo Holanda.
This study was conducted to measure the effects of the timing of nitrogen fertilization (NF) on soil N-NH4+ and N-NO3-, macronutrient contents in the leaves and grains, and the grain yield of super early genotypes (SEG) of common bean. Field experiments were performed for four growing seasons in an Oxisol soil in Santo Antônio de Goiás, Brazil, using a randomized block experimental design in a split plot scheme. The plots were planted with common bean SEG, and the subplots were the NF timings, including a treatment without N fertilization. The available soil N with improved fertility and medium to high levels of organic matter were enough to meet the N demands of the common bean crop in order to achieve yields of up to 3,000 kg ha-1. Fertilization with N,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia; Fitotecnia Phaseolus vulgaris L.; Early application of N; Fertilization; Brazilian Cerrado; Sustainable agriculture; Produção vegetal.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32781
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