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Avaliação do fosfito de potássio sobre o progresso de phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2009-02-27)
The effectiveness of defense activation in different soybean cultivars against Phakopsora pachyrhizi promoted by phosphite, as well as its association with fungicides in different timing application in relation to pathogen ...
Emissão de gases de efeito estufa em sistemas de manejo em solo do planalto médio do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2008-03-04)
Agriculture is directly linked to atmospheric concentration of greenhouse gases (GHG) through basic processes that occur in the soil-plant system. Agricultural soils can act as a source or sink of GHG depending on the ...