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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Agronomic efficiency of NBPT as a urease inhibitor: A review

Texto completo
Autor(es):
Cantarella, Heitor [1] ; Otto, Rafael [2] ; Soares, Johnny Rodrigues [3] ; de Brito Silva, Aijanio Gomes [2]
Número total de Autores: 4
Afiliação do(s) autor(es):
[1] Agron Inst Campinas, Soils & Environm Resources Ctr, Ave Barao de Itapura 1481, BR-13020902 Campinas, SP - Brazil
[2] Univ Sao Paulo, Luiz de Queiroz Coll Agr, Av Padua Dias 11, BR-13418900 Piracicaba, SP - Brazil
[3] Univ Estadual Campinas, Sch Agr Engn, Av Candido Rondon 501, BR-13083875 Campinas, SP - Brazil
Número total de Afiliações: 3
Tipo de documento: Artigo de Revisão
Fonte: JOURNAL OF ADVANCED RESEARCH; v. 13, n. SI, p. 19-27, SEP 2018.
Citações Web of Science: 7
Resumo

Urea is the most widely used nitrogen (N) fertilizer, with a projected increase in annual demand of 1.5% in the coming years. After its application to soil, urea undergoes hydrolysis via the urease enzyme, causing increases in the soil pH in the surrounding area of the granules and resulting in NH3 losses that average 16% of N applied worldwide and can reach 40% or more in hot and humid conditions. The use of urease inhibitors is an effective way to reduce NH3 losses. Several compounds act as urease inhibitors, but only N-(n-butyl) thiophosphoric triamide (NBPT) has been used worldwide, being the most successful in a market that has grown 16% per year in the past 10 years. Only in the past three years other compounds are being commercially launched. In comparison to urea, NBPT-treated urea reduces NH3 loss by around 53%. Yield gain by NBPT usage is of the order of 6.0% and varies from -0.8 to 10.2% depending on crop species. Nitrification inhibitors usually increase NH3 volatilization and mixing them with urease inhibitors partially offsets the benefits of the latter in reducing NH3 loss. The efficacy of NBPT to reduce NH3 loss is well documented, but there is a need for further improvement to increase the period of inhibition and the shelf life of NBPT-treated urea. (C) 2018 Production and hosting by Elsevier B.V. on behalf of Cairo University. (AU)

Processo FAPESP: 13/50365-5 - Microbial networks in control of greenhouse gases emissions in biobased agriculture - MiniBag
Beneficiário:Heitor Cantarella
Linha de fomento: Auxílio à Pesquisa - Programa BIOEN - Regular
Processo FAPESP: 15/50305-8 - A virtual joint centre to deliver enhanced nitrogen use efficiency via an integrated soil-plant systems approach for the UK & Brazil
Beneficiário:Ciro Antonio Rosolem
Linha de fomento: Auxílio à Pesquisa - Temático
Processo FAPESP: 14/05591-0 - Transformações do N no solo e resposta da cana-de-açúcar à adubação nitrogenada em função da rotação com Crotalaria e remoção de palha
Beneficiário:Rafael Otto
Linha de fomento: Auxílio à Pesquisa - Programa BIOEN - Regular
Processo FAPESP: 14/26767-9 - Iniciativa Global Sustainable Bioenergy (GSB): análise ambiental e espacial da intensificação da pastagem para a bioenergia
Beneficiário:John Joseph Sheehan
Linha de fomento: Auxílio à Pesquisa - Programa SPEC
Processo FAPESP: 16/08741-8 - Pós Doc na estimativa de pastagens mundial potencial de intensificação
Beneficiário:Johnny Rodrigues Soares
Linha de fomento: Bolsas no Brasil - Pós-Doutorado