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Use of organic compost produced from slaughterhouse waste as fertilizer in soybean and corn crops Scientia Agricola
Nunes,Walder Antonio Gomes de Albuquerque; Menezes,June Faria Scherrer; Benites,Vinícius de Melo; Lima Junior,Sérgio Araújo de; Oliveira,Anderson dos Santos.
Slaughterhouses generate large amounts of rumen content and its use as a fertilizer may offer an environmentally friendly strategy for its management. The effect of an organic fertilizer produced from slaughterhouse waste on the fertility of sandy and clayey soils as well as soybean yield (Glycine max L.) and corn (Zea mays L.) crops was evaluated. Field experiments were set up and five rates up to 16 t ha−1 of organic fertilizer (293 kg ha−1 N, 334 kg ha−1 P and 27 kg ha−1 K) were applied annually, before sowing in spring/summer, as well as a mineral fertilization of 300 kg ha−1 in the formulation 2-20-20 for soybean and 300 kg ha−1 of 12-15-15 for corn. The organic fertilizer changed soil fertility in the field experiments by increasing pH, Ca, Mg, K,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Organic fertilization; Nutrient recycling.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162015000400343
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