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Ammonia and carbon dioxide emissions by stabilized conventional nitrogen fertilizers and controlled release in corn crop Ciência e Agrotecnologia
Souza,Taylor Lima de; Guelfi,Douglas Ramos; Silva,André Leite; Andrade,André Baldansi; Chagas,Wantuir Filipe Teixeira; Cancellier,Eduardo Lopes.
ABSTRACT The market of stabilized, slow and controlled release nitrogen (N) fertilizers represents 1% of the world fertilizer consumption. On the other hand, the increase in availability, innovation and application of these technologies could lead to the improvement of N use efficiency in agroecossystems and to the reduction of environmental impacts. The objective of this study was to quantify agronomic efficiency relative index, ammonia volatilization, and CO2 emissions from conventional, stabilized and controlled release N fertilizers in corn summer crop. The experiment was carried out in a corn crop area located in Lavras, state of Minas Gerais, Brazil, without irrigation. All treatments were applied in topdressing at rate of 150 kg ha-1 N. N-NH3 losses...
Tipo: Info:eu-repo/semantics/article Palavras-chave: CO2; NH3 loss; No-tillage; Zea mays L..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000500494
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