Data/hora: 03/06/2024 06:17:06

Provedor de dados: | 91
País: | Brazil
Título: | Single and split nitrogen dose in wheat yield indicators
Autores: | Costa,Juliane S. P.; Mantai,Rubia D.; Silva,José A. G. da; Scremin,Osmar B.; Arenhardt,Emilio G.; Lima,Andressa R. C. de.
Data: | 2018-01-01
Ano: | 2018
Palavras-chave: | Triticum aestivum; Urea; Residual N; Temperature; Rainfall.
Resumo: | ABSTRACT Single or split nitrogen (N) supply can maximize the expression of wheat yield indicators. The objective of the study was to evaluate the greater N use efficiency on wheat yield indicators by the single and split N supply under favorable and unfavorable year conditions to the crop in succession system of high and reduced residual N release. The study was conducted in 2014 and 2015, in a randomized complete block design with four replicates in a 4 x 3 factorial, for N-fertilizer doses (0, 30, 60, 120 kg ha-1) and supply forms [full dose (100%) in the phenological stage V3 (third expanded leaf); split dose (70 and 30%) in the phenological stages V3/V6 (third and sixth expanded leaves, respectively) and; split dose (70 and 30%) in the phenological stages V3/R1 (third expanded leaf and early grain filling)], respectively, in soybean/wheat and maize/wheat cultivation systems. The highest N use efficiency for wheat yield was obtained with the single dose supply in favorable year of temperature and rainfall and with the split dose in the V3/V6 stages in unfavorable year, regardless of the succession system of high and reduced residual N release.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662018000100016
Editor: | Departamento de Engenharia Agrícola  - UFCG
Relação: | 10.1590/1807-1929/agriambi.v22n1p16-21
Formato: | text/html
Fonte: | Revista Brasileira de Engenharia Agrícola e Ambiental  v.22 n.1 2018
Fonte: | info:eu-repo/semantics/openAccess