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Ammonia volatilization from surface application of organic residues and urea on Marandu palisadegrass R. Bras. Zootec.
Vanin,Álisson; Menezes,June Faria Scherrer; Benites,Vinicius de Melo; Simon,Gustavo André.
The objective of this study was to measure ammonia volatilization from surface application of pig slurry, poultry litter, urea and no fertilization. An experiment was conducted in a randomized block design, in plots repeated over time, with four treatments and four replications. The fertilizers tested were: mineral fertilizer (70 kg ha-1 N, 100 kg ha-1 P2O5 and 30 kg ha-1 of K2O, as urea, triple superphosphate and potassium chloride, respectively), pig slurry (200 m³ ha-1 applied in November 2008 and 200 m³ ha-1 applied in April 2009) and poultry litter (10 t ha-1 applied in November 2008 and 10 t ha-1 applied in April 2009). Five evaluations were performed with 24-hour intervals. Foams were used with glycerin and sulfuric acid, internally fixed in PET...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brachiaria brizantha; Losses; Nitrogen; Pig slurry; Poultry litter.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000400010
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