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Alternativas de controle químico do arroz-vermelho e persistência dos herbicidas (imazethapyr + imazapic) e clomazone na água e no solo
(Universidade Federal de Santa Maria, 2006-09-15)
Weed infestation, mainly with red rice (Oryza spp.), is the most important factor limiting yield increase in paddy rice in Rio Grande do Sul state. Chemical red rice control is the most used tool in this area. But, its use ...
Perdas de nitrogênio por volatização de amônia e eficiência da adubação nitrogenada na cultura do arroz irrigado
(Universidade Federal de Santa Maria, 2006-03-20)
This work was developed using two greenhouse and two field experiments,
during 2004/2005 agricultural season at the Federal University of Santa Maria, Rio
Grande do Sul state. The objective was to evaluate nitrogen loss ...