Title:	Biochar and soil nitrous oxide emissions.
Authors:	ALHO, C. F. B. V. CARDOSO, A. da S. ALVES, B. J. R. NOVOTNY, E. H.
Affiliation:	ETELVINO HENRIQUE NOVOTNY, CNPS.
Date Issued:	2012
Citation:	Pesquisa Agropecuária Brasileira, v. 47, n. 5, p. 722-725, 2012.
Description:	The objective of this work was to evaluate the effect of biochar application on soil nitrous oxide emissions. The experiment was carried out in pots under greenhouse conditions. Four levels of ground commercial charcoal of 2 mm (biochar) were evaluated in a sandy Albaqualf (90% of sand): 0, 3, 6, and 9 Mg ha-1. All treatments received 100 kg ha-1 of N as urea. A cubic effect of biochar levels was observed on the N2O emissions. Biochar doses above 5 Mg ha-1 started to mitigate the emissions in the evaluated soil. However, lower doses promote the emissions.
Thesagro:	Efeito Estufa
NAL Thesaurus:	biochar gases
Keywords:	Resíduo lignocelulósico Pirólise
DOI:	https://doi.org/10.1590/S0100-204X2012000500013
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CNPS)