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Ciclagem de nutrientes e produtividade de grãos em sucessões de culturas sob sistema plantio direto
(Universidade Federal de Santa Maria, 2008-06-27)
The no-tillage adoption combined with the presence of crop residues on soil surface and minimum soil disturbance increase the soil organic matter content, that
associated with broadcast fertilization, change the nutrient ...
Reator aeróbico de biogrânulos e lagoa de aguapé como biotecnologia para o tratamento de águas residuais da suinocultura
(Universidade Federal de Santa Maria, 2008-04-30)
Residues generated by pig farms have high pollutant potential, can cause damage to
human and animal health and deteriorate the quality of air, soils and water resources. These
environmental troubles have led researchers ...
Nitrogênio em videira: recuperação, acumulação e alterações na produtividade e na composição da uva
(Universidade Federal de Santa Maria, 2008-02-20)
The rate of nitrogen (N) in grapevines in the Rio Grande do Sul (RS) State, Southern Brazil, is established considering N content in leaves or leaves petioles and yield expectation limits. Once N fertilization needs have ...
Estimativa da infiltração de água no solo a partir de pedofunções
(Universidade Federal de Santa Maria, 2008-03-06)
Knowledge on soil water infiltration is essential for the solution of problems concerning irrigation and drainage areas and those related to water and soil conservation research. In that regard, the aim of this paper was ...