Buscar
Itens para a visualização no momento 1-10 of 17
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 ...
Eficiência de absorção de nitrogênio e dinâmica do crescimento do sistema radicular de Vitis vinifera e Eucalyptus sp. submetidos à adubação nitrogenada
(Universidade Federal de Santa Maria, 2019-07-30)
Sandy soils and with low organic matter content do not provide provide enough nitrogen (N) to supply the demand of
Vitis vinifera and Eucalyptus sp. However, the applied N is not always used in large quantities by these ...
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 ...
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 ...
Compactação em argissolo submetido ao tráfego de veículo blindado de combate
(Universidade Federal de Santa Maria, 2019-08-16)
Heavy and continuous traffic from large vehicles causes soil compaction, which reduces their
physical quality and increases their susceptibility to water erosion. Military training exercises
with combat vehicles cause ...
Propriedades físicas do solo após tráfego da viatura blindada de transporte militar M113 BR no campo de instrução de Santa Maria, RS
(Universidade Federal de Santa Maria, 2019-08-01)
The physical properties of the soil can be changed after vehicle traffic, especially in high humidity conditions. The persistence and intensity of soil changes promoted by vehicle traffic are mainly dependent on factors ...
Microestrutura de um argissolo com aplicações de biochar de arroz e soja
(Universidade Federal de Santa Maria, 2019-02-25)
The addition of organic compounds to the soil causes different effects on its structure, either at the macro or microscale. But the extent of these effects is closely related to the molecular structure of the added organic ...
Comunidade de nematoides como bioindicadores de qualidade do solo de um sistema de integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2019-02-25)
The crop-livestock integration (ILC) when there is a good managed increases economic gains and improves the quality of the environment. However, the excess of the animal load in the pasture of the ILP can cause damages to ...
Formas de aplicação de fósforo sob calagem incorporada e superficial: efeito na acidez, disponibilidade de nutrientes e resposta de culturas
(Universidade Federal de Santa Maria, 2019-03-08)
Soybean (Glycine max) is grown in a large part of Brazil's arable land, predominantly under no-tillage system (SPD), where the application of fertilizers and limestone to the soil surface has increased. This management and ...
Planejamento conservacionista em estradas não pavimentadas em escala de bacia hidrográfica
(Universidade Federal de Santa Maria, 2019-08-28)
On a catchment scale, beyond land use and soil management, unpaved rural roads take an important role on controlling erosive processes on hillslopes and drainage network, processes which are amplified by its inadequate ...