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Pig slurry in carpet grass pasture: Yield and plant-available nitrogen AGRIAMBI
Brustolin-Golin,Karen D.; Scheffer-Basso,Simone M.; Escosteguy,Pedro A. V.; Miranda,Mario; Travi,Magdalena R. L.; Zabot,Valdirene.
ABSTRACT This study evaluated the response of carpet grass to pig slurry fertilization in order to estimate the agronomic efficiency and the plant-available nitrogen (N) of such manure. A field test was conducted during two years, following a randomized block design with six replicates of the treatments: 0, 100, 200, 300, 400 and 500 kg N ha-1 year-1, which resulted in 0, 60, 120, 180, 240 and 300 m3 ha-1 (2008/09), and 0, 42, 84, 126, 168 and 210 m3 ha-1 (2009/10), according to the N content of the pig slurry used in each year. These treatments were compared with ammonium nitrate (200 kg N ha-1 year-1), in order to estimate the plant-available nitrogen of the manure for the pasture. Pig slurry doses increased linearly the dry matter yield. In 2008/2009,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Axonopus affinis; Agronomic nitrogen efficiency; Nitrogen efficiency index; Manure; Perennial pasture.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000900795
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