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Adubação nitrogenada em videiras jovens e em produção
(Universidade Federal de Santa Maria, 2014-02-27)
In the Campanha Gaúcha from Rio Grande do Sul State (RS), vines has been cultivated under
sandy soils with low organic matter content; therefore they have a low nitrogen (N) supply
capacity and inputs of N fertilizers are ...
Fertilização nitrogenada à dose variada na cultura do milho
(Universidade Federal de Santa Maria, 2014-02-25)
Maize is the main cereal produced in Brazil, being highly responsive to nitrogen fertilization, since the tropical and subtropical soils presents insufficient availability of nitrogen (N) to attend the culture demand in ...
Fertilização nitrogenada do algodoeiro prescrita por sensor óptico no oeste da Bahia
(Universidade Federal de Santa Maria, 2014-02-25)
Proper nutrition nitrogen in cotton directly affects obtain high productivity of the crop. Decision making based on the use of sensors is an alternative to increase the efficiency of fertilization with this nutrient, ...
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 ...
Sistemas integrados de nutrição de precisão para suínos: desempenho e balanços metabólicos em sistemas de alimentação individual em tempo real
(Universidade Federal de Santa Maria, 2014-02-27)
The aim of this thesis was to analyze the responses of pigs when subjected to a nutritional program established for each individual in real time based on the concepts proposed by the system POMAR et al., (2009) and HAUSCHILD ...