Now showing items 1-4 of 4
Composição bioquímica e decomposição da parte aérea e raízes de culturas comerciais e plantas de cobertura de solo
(Universidade Federal de Santa Maria, 2010-02-26)
Crop residues (CR) composed by shoots and roots of plants are the main source of C for the agricultural soils. During the decomposition of these CR in the soil, part of C is evolved as CO2 and nutrients are mineralized, ...
Produção de grãos, matéria seca e acúmulo de nutrientes em culturas submetidas à adubação orgânica e mineral
(Universidade Federal de Santa Maria, 2010-04-29)
In Brazil, one of the main activities on small farms is the creation of small animals. The waste produced in this activity can be used as an alternative fertilizer because it contains a number of chemicals readily available ...
Adubação nitrogenada à taxa variada com o N-Sensor nas culturas do milho e trigo
(Universidade Federal de Santa Maria, 2010-03-03)
Most tropical and subtropical soils present insufficient availability of nitrogen (N) to meet the demand of maize and wheat in order to obtain high yields. The N in plants can be evaluated through the use of sensors of ...
Manejo de fungicidas e nitrogênio em trigo e seus efeitos na produtividade e qualidade de grãos
(Universidade Federal de Santa Maria, 2010-12-10)
The wheat crop is severely attacked by diseases, which significantly reduce its profitability. The diseases reduce not only productivity but also quality, factor that is essential for the actual economic culture viability. ...