Buscar
Itens para a visualização no momento 211-220 of 295
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 ...
Melhoria dos atributos químicos do solo pela ação combinada de calcário e gesso em latossolo sob plantio direto
(Universidade Federal de Santa Maria, 2014-08-08)
The good root development directly affects the crop production. The improvement of chemical characteristics of the sub superficial layer brings the benefit of minimizing the effects of water deficit periods to the plants. ...
A apropriação das TICs por extensionistas e agricultores familiares: possibilidades para o desenvolvimento rural
(Universidade Federal de Santa Maria, 2014-03-27)
The relationship between development and communication historically unfolded in
different perspectives, and you can analyze it in public rural extension services, since
in Brazil were one of the main strategies for ...
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 ...
Parâmetros fitoquímicos, genotóxicos e de crescimento de alecrim em diferentes salinidades e doses de nitrogênio
(Universidade Federal de Santa Maria, 2014-11-14)
Rosmarinus officinalis L., popularly known as rosemary, is a medicinal and aromatic species used in the cosmetics and food processing industries, with interest for the herbal industry. This study aimed to determine the ...
Desempenho de novilhas de corte para acasalamento aos 14 meses de idade
(Universidade Federal de Santa Maria, 2014-02-18)
Performance of beef heifers grazing ryegrass (Lolium multiflorum Lam.) was studied exclusively with animals grazing, receiving grain corn, or whole oat grain at the level of 0.93% of body weight. The supplement was offered ...
Melhoria da precisão nas estimativas de produção em culturas olerícolas relacionado ao número de plantas e colheitas
(Universidade Federal de Santa Maria, 2014-12-19)
The variability in crop production oleraceous affects planning and the quality of experiments, inflating the experimental error, and leading to erroneous conclusions with low experimental precision and reliability. The ...
Impacto de inseticidas aplicados em soja sobre abelhas melíferas
(Universidade Federal de Santa Maria, 2014-02-25)
This study aimed to investigate the time foraging and spatial-temporal distribution of Apis mellifera as well as its influence on crop productivity, in addition to analyzing the botanical origin and insecticide residues ...
Emergência, distribuição espacial e manejo de buva resistente ao herbicida glifosato
(Universidade Federal de Santa Maria, 2014-01-31)
The knowledge of spatial distribution in weed populations allows site specific management
that can entail economic benefits of materials, and preservation of the environment. The
objective of this study is to evaluate ...
Produtividade e valor nutritivo de pastagens de capim elefante sob os sistemas orgânico e convencional
(Universidade Federal de Santa Maria, 2014-03-14)
The objective of this research was to evaluate the productivity and nutritive value of elephant grass pastures, subjected to conventional and organic production system. In the conventional system elephant grass was planted ...