Hygroscopicity and ammonia volatilization losses from nitrogen sources in coated urea Report as inadecuate




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Carlos Antonio Costa do Nascimento ; Barbara Paquier Ventura ; Gabriela Perissinotto Florim ; Pedro Henrique de Cerqueira Luz ; Godofredo Cesar Vitti ;Revista Brasileira de Ciência do Solo 2014, 38 3

Author: Letícia de Abreu Faria

Source: http://www.redalyc.org/


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Revista Brasileira de Ciência do Solo ISSN: 0100-0683 revista@sbcs.org.br Sociedade Brasileira de Ciência do Solo Brasil de Abreu Faria, Letícia; Costa do Nascimento, Carlos Antonio; Paquier Ventura, Barbara; Perissinotto Florim, Gabriela; de Cerqueira Luz, Pedro Henrique; Vitti, Godofredo Cesar HYGROSCOPICITY AND AMMONIA VOLATILIZATION LOSSES FROM NITROGEN SOURCES IN COATED UREA Revista Brasileira de Ciência do Solo, vol.
38, núm.
3, 2014, pp.
942-948 Sociedade Brasileira de Ciência do Solo Viçosa, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=180231349020 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative 942 Letícia de Abreu Faria et al. HYGROSCOPICITY AND AMMONIA VOLATILIZATION LOSSES FROM NITROGEN SOURCES IN COATED UREA(1) Letícia de Abreu Faria(2), Carlos Antonio Costa do Nascimento(3), Barbara Paquier Ventura(4), Gabriela Perissinotto Florim (4), Pedro Henrique de Cerqueira Luz(5) & Godofredo Cesar Vitti(6) SUMMARY Hygroscopic fertilizers tend to absorb moisture from the air and may have undesirable characteristics such as moistness, clumping and lower fluidity, hampering the application.
The increasing use of urea is due to its numerous advantages, although this nitrogen (N) source is highly susceptible to volatilization losses, particularly when applied to the soil surface of management systems with conservation of crop residues.
The volatilization losses can be minimized by slow or controlled-release fertilizers, with controlled water solubility of the urea-coating materials; and by stabilized fertilizers, which prolong the period during which N remains in the amide or ammonia forms by urease inhibitors.
This study evaluated the hygroscopicity of and ammonia volatilization from urea coated with bo...





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