Data/hora: 10/06/2024 00:32:31

Provedor de dados: | 91
País: | Brazil
Título: | Nitrogen efficiency in wheat yield through the biopolymer hydrogel
Autores: | Mamann,Ângela T. W De; Silva,José A. G. da; Scremin,Osmar B.; Mantai,Rubia D.; Scremin,Ari H.; Dornelles,Eldair F.
Data: | 2017-10-01
Ano: | 2017
Palavras-chave: | Triticum aestivum; Simulation; Farming systems; Water stress.
Resumo: | ABSTRACT Nitrogen use efficiency in wheat biomass and grain yields can be favored by the biopolymer hydrogel. The objective of the study was to analyze the use of the biopolymer hydrogel applied to the seed in the optimization of fertilizer-N on wheat biomass and grain yields, under different conditions of agricultural year and succession systems of high and reduced release of residual-N. In the study, two experiments were conducted, with different farming systems, soybean/wheat and maize/wheat, one to quantify the biomass yield rate and the other to determine grain yield. The experiments were conducted in the years 2014 and 2015, in a randomized block design with four replicates in a 4 x 4 factorial scheme, corresponding to hydrogel doses (0, 30, 60 and 120 kg ha-1) added in the groove along with the seed and N fertilizer rates (0, 30, 60 and 120 kg ha-1), applied as top-dressing. It is possible to improve the fertilizer-N efficiency by wheat using the biopolymer hydrogel for the production of biomass and grains. The highest wheat yield per kilogram of N supplied is obtained with 30 and 60 kg ha-1 of hydrogel, regardless of the year and succession system.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017001000697
Editor: | Departamento de Engenharia Agrícola  - UFCG
Relação: | 10.1590/1807-1929/agriambi.v21n10p697-702
Formato: | text/html
Fonte: | Revista Brasileira de Engenharia Agrícola e Ambiental  v.21 n.10 2017
Fonte: | info:eu-repo/semantics/openAccess