Freitas, Nicácio de Oliveira; Yano-Melo, Adriana Mayumi; Silva, Fábio Sérgio Barbosa da; Melo, Natoniel Franklin de; Maia, Leonor Costa Soil biochemistry and microbial activity in vineyards under conventional and organic management at Northeast Brazil. Scientia Agricola, 2011, vol.68, n. 2, ISSN 0103-9016.
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