The influence of phosphorus fertilizer on maize yield under conditions of slash-and-mulch in Eastern Amazonia.
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Phosphorus deficiency is one of the main lirniting factors of crop production in Eastern Amazonian agriculture. The predorninant soils are Ultisols (U.S. Soil Taxonomy)[KVI), with a pH (CaCI2) of 4.7 and P, (Mehlich3) of 3 mg kg " soil. In fire-free land preparation, by using slash-and-muIch, this constraint is even amplified due to temporary immobilization processes. T
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Produtividade do milho, Tipitamba, Cultivo Migratório, Fertilizante Fosfatado