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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 ...
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, ...