Data/hora: 10/06/2024 10:26:01

Provedor de dados: 	65	
País: 	Brazil	
Título: 	Onion yield under agroecological farming system using distinct irrigation depths and soil covers	
Autores: 	Ribeiro,Eduardo Castro; Carvalho,Daniel Fonseca de; Santos,Lucas Antonio de Freitas; Guerra,José Guilherme Marinho.	
Data: 	2016-05-01	
Ano: 	2016	
Palavras-chave: 	Water use efficiency; Allium cepa L.; Organic agriculture.	
Resumo: 	ABSTRACT: The present study was carried out in order to evaluate the effects of irrigation depths applied through drip and presence/absence of soil cover in onion yield, under agroecological farming. The experiment was conducted in Seropédica, RJ, Brazil, from May to September 2012. The experimental design was a randomized complete block with split-plot design with 10 treatments and 7 replications, characterized by the presence (+S) and absence (-S) of soil cover and five irrigation depths according to percentages of the crop evapotranspiration (ETc): 0, 22, 45, 75 and 100% (0, 155, 220.6, 320.5 and 372,7mm in +S condition and 0, 145.5, 207.6, 285, 351,4mm in -S condition). The irrigation influenced by second-order polynomial regression the total yield of bulbs, percentage distribution of bulbs in diameter classes and water use efficiency (WUE) in the -S condition, and in the linear regression the WUE in +S condition. The soil cover promoted an increase on the total bulb yield, WUE and the percentage of bulbs classified in classes of greater diameter.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500783	
Editor: 	Universidade Federal de Santa Maria	
Relação: 	10.1590/0103-8478cr20150342	
Formato: 	text/html	
Fonte: 	Ciência Rural  v.46 n.5 2016	
Fonte: 	info:eu-repo/semantics/openAccess