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Itens para a visualização no momento 61-70 of 70
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 ...
Produção de sementes de Lupinus albescens para recuperação de áreas degradadas por arenização
(Universidade Federal de Santa Maria, 2009-09-28)
The objective of this work was to evaluate the best sowing time allied to appropriate fertilization levels for the development of Lupinus albescens, seeking seeds production, in sandy area, and also to verify the adaptation ...
Aplicação de componentes principais e regressões logísticas múltiplas em sistema de informações geográficas para a predição e o mapeamento digital de solos
(Universidade Federal de Santa Maria, 2008-10-31)
Social demands on soil information have grown dramatically, meanwhile the soil surveys are seldom carried out in the country. Digital soil mapping techniques
can be applied to infer the spatial distribution of soil from ...
Variação temporal da estrutura do solo em sistemas integrados de cultivo da cebola no Uruguai
(Universidade Federal de Santa Maria, 2008-07-08)
The social and economical importance of onion in Uruguai is very relevant. The soil mobilization and ridge till are crucial to reduce bulk density and increase the
macro/micropores relation for Argiudoll, to induce ...
Recomendação de nitrogênio, fósforo e potássio para girassol sob sistema plantio direto no Paraguai
(Universidade Federal de Santa Maria, 2008-03-19)
Sunflower crop has some important agronomic characteristics, as great fitomassa production,
larger resistance to the drought, cold and heat than most of the cultivated species and wide
adaptability to different conditions ...
Cobre e zinco no solo sob uso intensivo de dejeto líquido de suínos
(Universidade Federal de Santa Maria, 2007-11-26)
The main alternative of pig slurry discard is its disposition in the soil as source of nutrients for plants. However, copper and zinc accumulation in the soil has been increasing significantly and may become an environmental ...
Tempo para a ocorrência da resistência a penetração restritiva ao feijoeiro em solo com diferentes estados de compactação
(Universidade Federal de Santa Maria, 2008-10-30)
Soil compaction and water availability are related to crop performance. Its
individual effects are very difficult to be measured and, possibly, they have joint
effects in field conditions. In periods of lack of rain the ...
Infiltração de água em neossolos regolíticos do rebordo do planalto do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2008-02-29)
Neossolos Regolíticos (Regosols/Entisols), even is being successfully used from an
economical perspective with horticulture and reforestation, are fragile from a natural resource
perspective because their small depth, ...
Caracterização química dos efluentes gerados pelo aterro controlado de Santa Maria e retenção de chumbo e zinco por um argissolo da depressão central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2007-02-28)
The environmental consequences arising from inadequate treatment of solid waste are felt directly on air, water and soil quality through contamination by the gas and leachate generated in the decomposition of the waste, ...
Comportamento de combustíveis no solo
(Universidade Federal de Santa Maria, 2005-02-24)
The use of the petroleum as main energy base of the planet, brings with
herself serious consequences. The fractional distillation of the crude petroleum
generates hydrocarbons considered environmental pollutants, and ...