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Desenvolvimento e calibração de um mini-tanque evaporimétrico
(Universidade Federal de Santa Maria, 2004-02-27)
The present work had as aim a development and calibration of a small evaporation pan comparing its evaporation with class A pan and its capability to estimate the reference evapotranspiration comparing it with the ...
Simulação econômica de rotação de culturas irrigadas na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2004-10-01)
An agricultural production system is constituted by a succession of processes divided in subsystems in which it is emphasized the carriage of productive process related to the environment. In these subsystems, there are ...
Nutrientes na água do escoamento superficial em sistema plantio direto com mulching vertical
(Universidade Federal de Santa Maria, 2004-10-18)
The main pollutants of water resources from agricultural areas are organic matter, sediments, nutrients and pesticides, carried out mainly by runoff from farming lands. Considering this fact, it is very important the ...
Valoração econômica e ambiental pelo uso da água como instrumento de gestão de recursos hídricos
(Universidade Federal de Santa Maria, 2004-12-07)
In spite of your social and economical importance, the farming of rice has been a lot sought, mainly on
the environmental impact caused in the resources hydrics. However this problem, doesn't give to classify it as big ...
Estudo da dinâmica hídrica de um reservatório afetado pela construção de um segundo reservatório a montante
(Universidade Federal de Santa Maria, 2004-07-23)
The construction of reservoirs in sequence in the same basin has produced great problems in rural environment. It is supposed that reservoirs constructed in downstream of a second reservoir have their discharge affluent ...
Avaliação de três sistemas de aplicação de produtos fitossanitários líquidos
(Universidade Federal de Santa Maria, 2004-05-06)
At present days agriculture has been looking for new technologies for quickly supplying the human needs in foods. It is undeniable that the use of machines in the agriculture as well as the discovery and application of new ...
Utilização de recursos de agricultura de precisão na geração de mapas de atributos, mapas de produtividade e aplicação de insumos a taxas variáveis.
(Universidade Federal de Santa Maria, 2004-02-27)
Abstract chapter 1 - Variability of a soy farming (Glycine Max (L.) Merrill) using simplified techniques of precision agriculture.
This work had as main objective to determine and analyze the spatial variability in soy ...