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Balanço e evolução temporal de teores de fósforo e potássio no solo em áreas manejadas com agricultura de precisão
(Universidade Federal de Santa Maria, 2011-08-31)
The need for improving nutrient use efficiency and increase savings demand a better
knowledge of soils and production systems. The objective of this study was to
evaluate the soil P and K budget and its relationships ...
Distribuição espaço-temporal e flutuação populacional de lagartas desfolhadoras da soja
(Universidade Federal de Santa Maria, 2011-02-17)
This work aimed to analyze the spatial-temporal distribution and population fluctuation of soybean defoliating caterpillars, during the development cycle of the crop. Thus, this will be presented in two chapters. Chapter ...