2013
DOI: 10.1590/s0100-06832013000400022
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Ammonia volatilization from coated urea forms

Abstract: SUMMARYNitrogen fertilization is a major component of the cost of agricultural production, due to the high cost and low efficiency of fertilizers. In the case of urea, the low efficiency is mainly due to losses by volatilization, which are more pronounced in cultivation systems in which plant residues are left on the soil. The objective of this work was to compare the influence of urea coated with sulfur or boric acid and copper sulfate with conventional N fertilizers on N volatilization losses in sugar cane h… Show more

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Cited by 52 publications
(38 citation statements)
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“…The effect of adding Cu, B and S to the urea reduces the N loss compared with that observed by adding urea alone in maize and sugar cane (Faria et al 2013;Nascimento et al 2013).…”
Section: Resultsmentioning
confidence: 98%
See 1 more Smart Citation
“…The effect of adding Cu, B and S to the urea reduces the N loss compared with that observed by adding urea alone in maize and sugar cane (Faria et al 2013;Nascimento et al 2013).…”
Section: Resultsmentioning
confidence: 98%
“…Several compounds have been found to reduce the conversion of urea [(NH 2 ) 2 CO] into ammonium and, ultimately, ammonia in soil (Roberts, 2014). The main substances and elements that have been used for this purpose are NBPT (Watson et al, 2008;Cantarella et al, 2008;Menendez et al, 2009;Pereira et al, 2009;Trenkel, 2010;Silva et al, 2011), copper (Cu) and boron (B) (Krajewska;Zaborska;Chudy, 2004;Heringer, 2008;Gabrovska;Godjevargova, 2009;Faria et al, 2013;Nascimento et al, 2013;Stafanato et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Previous studies carried out with ammonium sulfate and ammonium nitrate in corn and sugar cane also reported lower N-NH 3 loss from ammoniacal sources of N when compared with urea (Fontoura;Bayer, 2010;Nascimento et al, 2013;Stafanato et al, 2013).…”
Section: Daily and Cumulative N-nh 3 Lossesmentioning
confidence: 86%
“…Alguns estudos mostram que estes fertilizantes podem diminuir as perdas por volatilização (NASCIMENTO et al 2013) e aumentar absorção de N e o rendimento de grãos comparado a ureia convencional (DALAL 1975, SOUZA et al 2013, FRAZÃO et al 2014, LYU et al 2015. Por outro lado, outros demonstram não haver redução de perdas de amônia por volatilização (FARIA et al 2014, OLIVEIRA et al 2014) e não influenciar o rendimento das culturas (VALDERRAMA, et al 2014, BERNARDES et al 2015 como encontrado neste trabalho.…”
Section: Resultsunclassified