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Correção da acidez do solo em subsuperfície em um latossolo de textura franco-arenosa sob plantio direto
(Universidade Federal de Santa Maria, 2008-01-29)
In tropical and subtropical areas, especially, where there is the dry period occurrence, the acidity subsurface (below the 10 cm) it has been pointed as one of the limitation causes to the growth of roots and the agricultural ...
Avaliação e modelização da dinâmica de carbono e nitrogênio em solo com o uso de dejetos de suínos
(Universidade Federal de Santa Maria, 2005-02-28)
The managedment of the pig manure, in the slurry or solid form (deep bedding), and how it is applied to the soil, in the surface or incorporated, must affect the dynamics of the C and the N in the soil. The objectives of ...
Sistemas de culturas em plantio direto adaptados à pequena propriedade relacionados com a erosão e atributos de um argissolo vermelho
(Universidade Federal de Santa Maria, 2009-11-16)
Considering soil management systems, are rare the research projects that are carried on by a time period long enough to several soil attributes may be expressed conveniently. The no-till system influences several soil ...
Eficiência do calcário calcítico e dolomítico na correção da acidez de solo sob plantio direto
(Universidade Federal de Santa Maria, 2007-02-23)
Liming is used to decrease soil acidity and increase exchangeable calcium and magnesium levels, but it may impaired calcium and magnesium ratios with continuous use of dolomitic or calcitic lime. The aim of this work is ...
Mineralização do carbono e do nitrogênio no solo com o uso de lodo de esgoto e palha de aveia
(Universidade Federal de Santa Maria, 2009-02-27)
The use of sewage sludge in the agricultural is an organic recycle alternative material in the soil. The CONAMA resolution 375/2006 indicates that in certain relief
condition the sewage sludge could be applied without ...