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Análise da variação espaço-temporal dos parâmetros para a modelagem estocástica da precipitação pluvial diária no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2006-02-24)
Rio Grande do Sul is one of the largest grains producers State of the Country and except for some cultures produced under irrigation, most cultures are led in not irrigated systems, what
they do them extremely dependent ...
Métodos de cenários prospectivos como ferramente de apoio ao planejamento relativo a substituição do atual uso do solo por florestamento: estudo de caso: a Bacia do Rio Ibicuí - RS
(Universidade Federal de Santa Maria, 2007-12-20)
Planet Earth seen from outer space, as shown by numerous satellites photographs, reveals an impressive beauty. What is the cause of such beauty? Surely it is water. Throughout the centuries, the complexity of the multiple ...
Gestão ambiental em bacias hidrográficas
(Universidade Federal de Santa Maria, 2007-02-27)
The hydrographic basins are being occupied in an inadequate manner, which leads to a deterioration of the natural resources (Water Resources, Flora, Fauna, Soils and Air). The anthropical actions occur due to the inadequate ...
Retenção de água da chuva na palha, solo e dossel vegetativo de milho e feijão
(Universidade Federal de Santa Maria, 2007-12-17)
The water is the most important factor and, at the same time, the more limitant than the plant needs for its development. Short periods of hidric stress can reduce
crop productivity. In this way, the importance of knowing ...
Otimização dos processos de calibração e validação do modelo cropgro-soybean
(Universidade Federal de Santa Maria, 2016-12-06)
Crop models are important tools to improve the management and yield of agricultural systems. These improvements are helpful to meet the growing food and fuel demand without increase the crop areas. The conventional approach ...
Uso de camalhões de base larga como alternativa para o cultivo de soja em terras baixas
(Universidade Federal de Santa Maria, 2017-06-02)
The Rio Grande do Sul (RS) state has 5,4 millions of meadows hectares or low lands, being the rice cultivation its main agricultural activity. This cultivation has faced problems, wich we can highlight the weeds control ...
Índices de desempenho para estações de bombeamento em lavouras de arroz irrigado
(Universidade Federal de Santa Maria, 2015-05-08)
The state of Rio Grande do Sul (RS) grown in crop 2013/2014, 1,120,112 ha of rice, making up 46.18% of the cultivated area in Brazil, accounting for 66.21% of national production. The Fronteira Oeste of RS cultivated an ...
Viabilidade do cultivo da cana-de-açúcar irrigada para a produção de etanol
(Universidade Federal de Santa Maria, 2016-10-07)
The production potential of the sugar-alcohol market and increased demand for ethanol makes the sugarcane the most important source of energy biomass for Brazilian agribusiness. This study aimed to evaluate the technical ...
Critérios para o aumento do índice de eficiência nos sistemas de irrigação tipo pivô central
(Universidade Federal de Santa Maria, 2010-01-27)
This work proposes improve the study about the efficiency indicators development, to be use in irrigation equipment for pivot. At first, it sought to make some clarifications about the current state of the irrigations ...
Potencial de regeneração natural em matriz produtiva de eucalipto no bioma Pampa
(Universidade Federal de Santa Maria, 2022-03-31)
The native species natural regeneration in commercial eucalyptus plantations is still poorly studied. Scientific information regarding its potential can contribute with the understanding of ecosystems dynamics associated ...