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Retenção e armazenamento da água da chuva na camada evaporativa do solo com e sem resíduos vegetais
(Universidade Federal de Santa Maria, 2016-08-30)
The water evaporation (Es) is one of the main components of water balance and energy of ground surface. Precise measurements of the Es dynamics require the understanding of water and energy partition on the interface soil ...
Inspeção técnica de pulverizadores agrícolas conforme a norma ISO 16122
(Universidade Federal de Santa Maria, 2017-02-23)
The primary sector development by the expansion of cultivation areas and the increase in the productive indices promoted the increase of pesticide uses. That reflect in problems related to application inefficiency, making ...
Comportamento operacional de elementos sulcadores de fertilizante em função da distância dos mesmos para o mecanismo de corte
(Universidade Federal de Santa Maria, 2017-04-25)
The objective was to determine the effect of longitudinal distance between coulters and furrow openers about the operational performance of these associations working in different forward speeds, with regard to the energy ...
Modelagem da perda de produtividade da cultura do milho em função da deficiência hídrica
(Universidade Federal de Santa Maria, 2017-09-01)
The Northwest mesoregion of Rio Grande do Sul is characterized by the
predominance of spring-summer crops, with maize being an important item in the
production system. Among the limiting components, the water deficit is ...
Estimativa dos parâmetros de funções de pedotransferência para os solos do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-04-29)
The soil water retention curve is an important information for the rational management of irrigation. Due to the difficulty in generating it through traditional methods, there is a need to create alternative methods, such ...
Vibrações em operador de trator agrícola na operação de semeadura sob sistema plantio direto
(Universidade Federal de Santa Maria, 2017-03-02)
Through the use of machines and equipment, it is hoped to increase the productivity of tillage, aiming at a lower cost, without harming the man and the environment. In this sense, the agricultural tractor is fundamental ...
Desenvolvimento e avaliação de um mecanismo adaptável em dosador pneumático para individualização de sementes de arroz
(Universidade Federal de Santa Maria, 2019-04-22)
The objective of this research was to develop and evaluate a design composed of metering disc and scraper/excluder mechanism for its use in a picking doser with pneumatic aid, already existing in the agricultural market, ...
Batata-doce irrigada para a produção de etanol
(Universidade Federal de Santa Maria, 2017-09-29)
Sweet potato is an amylaceous root of high potential for use in the production of bioethanol. However, its productivity is intrinsically linked to the environmental and management factors, in which the availability of water ...
Local de aplicação do fósforo, sistema radicular e produtividade da cultura da soja em plantio direto
(Universidade Federal de Santa Maria, 2016-07-07)
Modern agriculture presents constant challenges, among them productive and economical. The target on greater productivity and efficiency in the field leads to improvements of techniques performed today. Before a production ...
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 ...