“... Basic ... === Abstract: Many agricultural operations realized on farms have some type of mechanized...”
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“... populations present a lack of basic sanitation services, as collection and treatment of sewage. In small rural...”
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“...... === Abstract: The aim of this study is to economically evaluate the production of composted sewage sludge...”
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“... of Agriculture, Livestock and Supply. The objective of this work was to evaluate the economic viability...”
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“... has a highly socio-economic importance in Brazil. With approximately 9.9 million hectares planted...”
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