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Qualidade física do solo em desbaste mecanizado de Eucalyptus saligna
(Universidade Federal de Santa Maria, 2019-02-22)
Machine traffic is the main cause of compaction of forest soils, due to the fact that deformations occur in the soil, caused by the pressure of the mass of the machines, either at the time of the cutting or even the wood ...
Estimativa de rendimento e viabilidade econômica da soja irrigada
(Universidade Federal de Santa Maria, 2019-03-15)
Water is one of the most important inputs in agricultural production and a determinant of crop
productivity. Adequate irrigation management aims the efficiency in water use, providing an
increase in the productivity of ...
Produção e formulação de herbicida por fermentação em estado sólido utilizando o fungo Diaporthe sp.
(Universidade Federal de Santa Maria, 2016-08-24)
The weed control is accomplished primarily through chemical herbicides. Currently, the use phytotoxins produced by microorganisms are presented as sustainable alternatives. The objective of this study was to produce a ...
Influência da pecuária bovina nos mecanismos de regeneração da floresta estacional decidual, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2016-02-26)
The cattle raising in natural areas can drive to a possible degradation of native forest ecosystem, especially the mechanisms of regeneration, besides modifications in terms of physical and chemical of soil, reducing his ...
Calibração e validação de um modelo de emissão de nós na cultura da soja
(Universidade Federal de Santa Maria, 2019-07-19)
Soybean (Glycine max L.) is the most cultivated oilseed in the world. Mathematical models
adapted and tested under different environmental conditions are useful tools that allow
describing the interactions between the ...
Potencial adsorvente da casca e polpa de moringa na remoção de corante orgânico em solução aquosa
(Universidade Federal de Santa Maria, 2019-08-02)
Historically the main environmental degradation factors are linked to industrial processes. The textile and food industries use high volumes of water in their processes. These industries use products such as preservatives, ...
Modelagem da evapotranspiração e produção para Alstroemeria x Hybrida irrigada em ambiente protegido
(Universidade Federal de Santa Maria, 2019-08-05)
Modeling of crop productivity, when inserted in the ornamental sector, is not widespread. There are few specific models for estimating ornamental crop production due to the requirement of calibrated parameters for the ...
Projeto e desenvolvimento de um sistema de aquisição e armazenamento de dados para avaliações de máquinas agrícolas
(Universidade Federal de Santa Maria, 2019-12-04)
In an agricultural production system, the most versatile machine is the tractor, mainly used for move and pull machines and attachments. The use of independent data collection and storage equipment or datalogger in the ...
Monitoramento do requerimento hídrico e rendimento de soja e milho via combinação de modelo de balanço hídrico do solo e sensoriamento remoto
(Universidade Federal de Santa Maria, 2019-12-13)
The increase in world population has resulted in increased demand for food, requiring increased crop productivity. Water stress is the major limiting factor for grain yield of spring-summer crops in Rio Grande do Sul, ...
Agricultura de precisão na cultura do arroz irrigado (Oryza sativa) em áreas sistematizadas e não sistematizadas
(Universidade Federal de Santa Maria, 2012-07-27)
The farming precision in irrigated rice (Oryza sativa) has not been quite sutdied,
unlike other rainfed crops, which have been highly diffused. This reasearch aims to
assess the AP tools in systematized and non-systematized ...