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Impacts of soil management practices on soil fertility in potato-based cropping systems in the Bolivian Andean highlands
(University of Missouri--Columbia, 2010)
) and local and alternative soil organic fertilizers (i.e., cow and sheep manure, household compost and a biofertilizer) revealed that the cow and sheep manure combined with SIF significantly affected soil properties, such as pH, soil test P, TN, TIN and TOC...