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- Title
Economical nitrogen dose for production of irrigated naturally colored cotton in the semi-arid region.
- Authors
de L. Tartaglia, Francilene; dos Santos, Allysson P.; de Souza, Almir R. E.; dos Santos, Manoel G.; da Silveira, Lindomar M.; Barros Júnior, Aurélio P.
- Abstract
Determining the economical dose of nitrogen (N) for colored cotton can increase yield and income of farmers. The experiment was carried out under field conditions at the Experimental Farm of the Universidade Federal Rural do Semi-Árido, in the years 2016 and 2017. The objective was to determine the economical N dose for four colored cotton cultivars. The experimental design was in randomized blocks, with split plots and four repetitions. Five N doses (0, 50, 100, 150 and 200 kg ha-1) were randomized in the main plots and four colored cotton cultivars (BRS Safira, BRS Rubi, BRS Topázio and BRS Verde) were randomized in the subplots. The characteristics evaluated were seed cotton yield, cotton fiber yield, N concentration in leaf tissue, technical dose and economical dose of N. Higher yield of naturally colored cotton can be obtained using the economical doses of 140 kg ha-1 N for cultivars BRS Rubi and BRS Verde, 150 kg ha-1 N for BRS Topázio and 160 kg ha-1 N for BRS Safira. Highest yield was achieved with the cultivar BRS Topázio and lowest with the cultivar BRS Verde.
- Subjects
ARID regions; COTTON fibers; SEED yield; COTTON; COTTONSEED; NITROGEN; ASBESTOS
- Publication
Revista Brasileira de Engenharia Agricola e Ambiental - Agriambi, 2020, Vol 24, Issue 11, p783
- ISSN
1807-1929
- Publication type
Article
- DOI
10.1590/1807-1929/agriambi.v24n11p783-789