Características agronômicas do feijão caupi inoculado em função de lâminas de irrigação e de níveis de nitrogênio
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Data
2013-07-30
Autores
Tagliaferre, Cristiano
Santos, Tiago Jardim
Santos, Lucas da Costa [UNESP]
Neto, Izaulto José dos Santos
Rocha, Felizardo Adenilson
De Paula, Alessandro
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Resumo
The aim of this study was to evaluate the effect of different irrigation depths and nitrogen levels on the agronomic characteristics of inoculated cowpea. The experiment was arranged in splitplots, with the levels of nitrogen in the plots and the depth of irrigation in the splitplots, in a randomized block design, with two repetitions. The irrigation depth corresponded to 578 mm (L1), 512 mm (L2), 429 mm (L3), 299 mm (L4) and 240 mm (L5), and the nitrogen levels of 0, 30, 60 and 90 kg ha-1 of N. The nitrogen levels showed significant effect on the yield components of cowpea. The irrigation depth showed significant effects on productivity of bean cowpea, with the depth of 426.21 mm estimated for obtaining the maximum productivity of 2820.03 kg ha-1.
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Palavras-chave
Fertilizer, Fixation biological, Irrigation, Irrigation of management
Como citar
Revista Ceres, v. 60, n. 2, p. 242-248, 2013.