| Registro completo |
| Provedor de dados: |
Rev. Bras. Ciênc. Solo
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| País: |
Brazil
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| Título: |
Ammonia volatilization from coated urea forms
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| Autores: |
Nascimento,Carlos Antonio Costa do
Vitti,Godofredo Cesar
Faria,Letícia de Abreu
Luz,Pedro Henrique Cerqueira
Mendes,Fernanda Latanze
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| Data: |
2013-08-01
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| Ano: |
2013
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| Palavras-chave: |
Elemental sulfur
Boric acid
Copper sulfate
Sugarcane
Harvest without burning
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| Resumo: |
Nitrogen 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 harvested after stubble burning. The sources urea, sulfur-coated urea, urea coated with boric acid and copper sulfate, as well as nitrate and ammonium sulfate, were tested at amounts containing N rates of 120 kg ha-1 N. The integration of new technologies in urea fertilization can reduce N losses by volatilization. These losses were most reduced when using nitrate and ammonium sulfate. The application of a readily acidified substance (boric acid) to urea was more efficient in reducing volatilization losses and nutrient removal by sugar cane than that of a substance with gradual acidification (elemental sulfur).
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832013000400022
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| Editor: |
Sociedade Brasileira de Ciência do Solo
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| Relação: |
10.1590/S0100-06832013000400022
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| Formato: |
text/html
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| Fonte: |
Revista Brasileira de Ciência do Solo v.37 n.4 2013
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| Direitos: |
info:eu-repo/semantics/openAccess
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