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Estratégias para predição de classes de solo
(Universidade Federal de Santa Maria, 2019-02-25)
In order to provide information with greater agility and adequate spatial resolution to supply the demand for soil information, digital soil mapping (DSM) is an alternative to map classes and soil properties, taking advantage ...
Índices de vegetação obtidos por sensor proximal e embarcado em aeronave remotamente pilotada e sua relação com a produtividade do milho
(Universidade Federal de Santa Maria, 2019-07-15)
Different vegetation indices (IVs) have been used as a tool to evaluate plant biophysical parameters. Among these, we highlight the success of NDVI in the evaluation of nitrogen nutritional status (N) in maize, wheat, ...
Estratégias para aumentar a recuperação de nitrogênio em pessegueiro
(Universidade Federal de Santa Maria, 2019-02-27)
The peach is a fruit appreciated in the world because when consumed in natural it has a sweet and pleasant flavor and appearance of reddish yellow color. But also, it can be consumed in jams and candies. Therefore, the ...
Biocarvão e cinzas de casca de arroz: amenizantes da toxidez de ferro em cultivos de arroz irrigado
(Universidade Federal de Santa Maria, 2019-07-19)
The state of Rio Grande do Sul is the largest rice producer in Brazil and the main cultivation system is irrigation by flooding. In this system, under anaerobic conditions, iron (Fe3+) present in the oxides is reduced to ...
Decomposição e emissão de N2O em função da qualidade e quantidade de resíduos culturais na superfície do solo
(Universidade Federal de Santa Maria, 2019-07-19)
The management of crop residues influence several processes in agriculture, such as soil
protection, water dynamics, decomposition, nutrient fluxes and the overall balance of
greenhouse gases, mainly N2O. These effects ...
Nitrogênio hidrolisável em meio alcalino no perfil de solos cultivados com arroz irrigado e sua contribuição para a nutrição da cultura
(Universidade Federal de Santa Maria, 2019-01-25)
Rice is an important food source for the world's population and is a substantial crop for Southern Brazil economic development. Nitrogen (N) is one of the most limiting nutrients for rice crop production, and the current ...
Fertilizantes orgânicos: Índice de eficiência e produção de alface, cenoura e mudas de eucalipto
(Universidade Federal de Santa Maria, 2015-08-28)
The process of transformation and stabilization of organic materials, like traditional compost and vermicompost, increase the efficiency of biofertilizers production. This work aimed to quantify the N mineralization and ...
Caracterização, ecotoxicologia e uso de substratos oriundos de resíduo de abatedouro de suínos para produção de mudas cítricas
(Universidade Federal de Santa Maria, 2019-02-28)
Pork has been the most consumed animal protein in the world and production levels are significantly higher in comparison to other livestock activities. However, this scenario of expansion in the sector also generates large ...
Biota do solo em pastagem sob aplicação sucessiva de dejetos de suínos
(Universidade Federal de Santa Maria, 2015-01-12)
The successive use of pig slurry as a soil fertilizer on pasture areas is a common practice in southern Brazil. While there are economic benefits of reuse of waste, this practice poses serious environmental risks and can ...
Diversidade de minhocas e sua relação com ecossistemas naturais e alterados no estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-06-22)
Knowledge on earthworms diversity in Rio Grande do Sul (RS) State, as well as in Brazil,
is lower than the range estimated by taxonomists. The study aimed to: 1) evaluate the diversity
of earthworms present in ecosystems ...