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Covered nitrogen levels on the evaluation of maize genotypes in late seeding 22
Carvalho, Edmar Vinícius de; Afférri, Flávio Sérgio; Peluzio, Joênes Mucci; Leal, Tarcisio Castro Alves Barros; Souza, Clóvis Maurílio de; Naoe, Lucas Koshy.
The aim of this work was to evaluate 12-maize genotypes and the effect of four covered N levels (20; 80; 140; 200 kg ha-1), in the late seeding conditions (01/15/2014 and 02/25/2014) at Gurupi-TO. The experiments were conducted in the randomized blocks design with three repetitions and 12 treatmanets. The statistical analyze was done in each seeding, and the N effect was studied by the regression (orthogonal polynomial). It was shown significant difference among the genotypes in the greater number of evaluated traits and the grain yield of variety V8 and double-cross HD12 was classified in the superior statistical group in the two seeding dates (in average of four levels of nitrogen). These genotypes had shown the highest values of productive efficiency...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adubação; População de polinização aberta; Tocantins; Zea mays.
Ano: 2017 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/15110
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