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Influência de cultivares e densidades de plantas sobre a eficácia da proteção química no patossistema soja-phakopsora pachyrrizi
(Universidade Federal de Santa Maria, 2010-02-26)
Aiming to evaluate the response of ten soybean cultivars subjected to three arrangements of plants and eight fungicide programs in terms of expression and the development of Asian rust, penetration of light on the canopy, ...
Adubação nitrogenada e densidade de semeadura em soja
(Universidade Federal de Santa Maria, 2010-02-19)
In cultivars with a cycle shorter than 120 days it is known that there is a relationship between the speed of canopy closure and the grain yield. Aiming at a better initial growing and consequently a quickest canopy closure ...
Relação entre pontas de aplicação, horário de aplicação e cultivares no controle de Phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2010-03-31)
The process of agricultural production in Brazil has as a main gear the application of chemicals carried out by spraying machines. This study aimed to identify possible interactions between the tips of spraying nozzles, ...