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Itens para a visualização no momento 11-15 of 15
Adubação potássica em videiras jovens e em produção no Sul do Brasil
(Universidade Federal de Santa Maria, 2014-08-22)
The application of potassium (K) and lime as a source of Calcium (Ca) and Magnesium (Mg) in soil may affect the growth and nutritional status of young plants of grapevines as well as grape production, must composition and ...
Transferência de fósforo em pequenas bacias hidrográficas com predomínio de sistema plantio direto precário
(Universidade Federal de Santa Maria, 2014-03-21)
Agricultural activities generate impacts on the environment and require constant study and monitoring to enhance our understanding about the ways and degree of contamination resulting therefrom. The main objective of this ...
Produção de biomassa, composição química e decomposição de resíduos culturais da parte aérea e raízes no solo
(Universidade Federal de Santa Maria, 2014-02-27)
Crop residues (CR) from shoots (S) and roots (R) of plants are the main source of
carbon C (C) and nitrogen (N) for the agricultural soils. Compared to the S of plants there are
few studies on the production of dry matter ...
Padrão sazonal da qualidade do solo, água, regimes térmicos e desempenho de culturas para biocombustíveis sob diferentes práticas de manejo
(Universidade Federal de Santa Maria, 2014-09-15)
The intensification of biofuel production causes negative impacts on soil quality, thus the soil requires adequate assessment to ascertain its quality status, however site-specific nature of results in literature requires ...
Parâmetros de compressibilidade e permeabilidade ao ar de solos sob plantio direto
(Universidade Federal de Santa Maria, 2014-10-24)
The compaction process can be evaluated by soil compression curve. The curved segment of the compression curve shows the elastic deformation, while the linear segment represents the elastic deformation. The soil capacity ...