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Manejo de solo e água em soja e arroz em terras baixas
(Universidade Federal de Santa Maria, 2019-03-11)
The lowland areas with agricultural production in the southern half of Rio Grande do Sul are predominantly cultivated with rice, flood irrigated. This irrigation method uses more water and emits larger amounts of greenhouse ...
Sistemas de culturas em plantio direto adaptados à pequena propriedade relacionados com a erosão e atributos de um argissolo vermelho
(Universidade Federal de Santa Maria, 2009-11-16)
Considering soil management systems, are rare the research projects that are carried on by a time period long enough to several soil attributes may be expressed conveniently. The no-till system influences several soil ...
Desempenho e emissões de trator em semeadura com diferentes configurações de sulcadores em área com tráfego controlado de máquinas
(Universidade Federal de Santa Maria, 2018-03-02)
To minimize the problem of soil compaction caused by the heavy traffic of machines on the soil an alternative is the controlled traffic, which performs the standardization of the wheel gauges of the machines and implements, ...
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 ...
Estado nutricional do milho avaliado por espectroscopia óptica no Paraguai
(Universidade Federal de Santa Maria, 2012-09-03)
Não consta.