Cálcio líquido no sulco de semeadura e nitrogênio em cobertura no feijoeiro
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2019-12
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Agricultural corporation develop new products periodically, promising significant increases in crop productivity, even with adequate levels in the soil of the nutrient to be used. However, there are several doubts about the real effectiveness of these products. The objective of this study was to determine the effect of the application of liquid calcium in the sowing furrow, with proper content of this nutrient, together with the topdressing nitrogen fertilization of the irrigated common bean yield. The experimental design was a randomized block design in the 4x2x3 factorial scheme, with four replications. Treatments consisted of the combination of four doses of calcium in the sowing furrow (0, 30, 60 and 90 kg ha-1 Ca as CaCl2) with nitrogen management at topdressing (with and without the application of 60 kg ha-1 of N) in three growing seasons. Calcium fertilization in the sowing furrow in soil with proper content of this nutrient, do not increase plant density, yield components and grain yield of common bean, and thus this practical is not recommended. Nitrogen fertilization at topdressing increases number of pods per plant, mass of 100 grains and grain yield of common bean.
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Adubação de cobertura, Cloreto de cálcio, Phaseolus vulgaris, Calcium chloride, Topdressing nitrogen
Citação
SILVA, José Geraldo da et al. Cálcio líquido no sulco de semeadura e nitrogênio em cobertura no feijoeiro. Global Science and Technology, Rio Verde, v. 12, n. 3, p. 44-52, 2019. Disponível em: https://rv.ifgoiano.edu.br/periodicos/index.php/gst/article/view/1156. Acesso em: 12 dez. 2024.