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Manejo de fungicidas e nitrogênio em trigo e seus efeitos na produtividade e qualidade de grãos
(Universidade Federal de Santa Maria, 2010-12-10)
The wheat crop is severely attacked by diseases, which significantly reduce its profitability. The diseases reduce not only productivity but also quality, factor that is essential for the actual economic culture viability. ...
Efeito do manejo integrado da brusone sobre componentes quantitativos e qualitativos do arroz irrigado
(Universidade Federal de Santa Maria, 2018-03-06)
Blast is a major disease in flooded rice due to its high potential to damage the crop. Blast control requires the use of integrated practices, such as cultural management, genetic and chemical methods. The main goal of ...
Estratégias de fornecimento de nitrogênio em videiras em produção
(Universidade Federal de Santa Maria, 2018-02-28)
Soils with sandy texture and low organic matter have low nitrogen (N) availability, it is
necessary supplemental applications to the vines. N is applied on the soil surface without
incorporation, which potentiates losses ...
Seleção e multiplicação de clones de morangueiro (Fragaria x ananassa Duch.)
(Universidade Federal de Santa Maria, 2008-02-26)
The objectives of this research were to select new strawberry clones for the estate of Rio Grande do Sul, Brazil, and to develop methods of multiplication to obtain
disease-free transplants with high physiological quality. ...
Estudo de caso: resposta do milho a doses e fracionamento do nitrogênio
(Universidade Federal de Santa Maria, 2018-11-30)
Since the antiquity in agriculture, yield increase has been conditioned by the use of new techniques derived from increasing man's knowledge. In recent farming is not different, that is, in times of precision farming these ...
Produtividade de grãos, da água e emissão de gases de efeito estufa sob práticas alternativas de irrigação em arroz
(Universidade Federal de Santa Maria, 2021-11-26)
The lowland areas of the southern part of Rio Grande do Sul are predominantly cultivated with border irrigated rice in the continuous flooding system. This irrigation method is characterized by low water use efficiency and ...
Influência da aplicação de fertilizantes e fungicida sobre o enchimento de grãos e o desempenho agronômico do arroz irrigado
(Universidade Federal de Santa Maria, 2007-02-27)
Increasing green leaf duration during grain filling in rice, using management practices to enhance plant nutrition and health, can increase grain yield. To test this hypothesis, two experiments were conducted in 2005/06. ...
Melhora na simulação da produtividade de arroz no Rio Grande do Sul pela introdução de arroz híbrido no modelo SimulArroz
(Universidade Federal de Santa Maria, 2016-02-25)
The importance of hybrid rice is increasing because of its higher potential yield compared to n conventional varieties traditionally sown in southern Brazil. The SimulArroz model is a dynamic deterministic mathematical ...
Restrição de radiação solar na produtividade de arroz irrigado
(Universidade Federal de Santa Maria, 2021-07-19)
Rice (Oryza sativa L.) yield potential is defined by the availability of solar radiation during the growing season. The reduction of solar radiation pointed out by future climate change scenarios and in “El Niño” years in ...
Penetração de gotas e rendimento de grãos em função do arranjo de plantas, cultivares e volume de calda na cultura da soja
(Universidade Federal de Santa Maria, 2009-02-27)
The objective of this study was to evaluate the penetration of spray droplets and grain yield depending on the cultivar, on the arrangement of plants and the spray volume in three stages of soybean. For this two experiments ...