Browsing Ciência e Agrotecnologia by Author "Faquin, Valdemar"

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Ammonia volatilization from blends with stabilized and controlled-released urea in the coffee system

Chagas, Wantuir Filipe Teixeira; Guelfi, Douglas Ramos; Caputo, André Luiz Carvalho; Souza, Taylor Lima de; Andrade, André Baldansi; Faquin, Valdemar (Editora UFLA, 2016-09)

Application of stabilized and controlled-release urea blends can reduce the losses of N-NH3 as compared to conventional urea. The aim of this study was to quantify ammonia volatilization from conventional nitrogen fertilizers ...
Nitrogen loss by volatilization of nitrogen fertilizers applied to coffee orchard

Dominghetti, Anderson William; Guelfi, Douglas Ramos; Guimarães, Rubens José; Caputo, André Luiz Carvalho; Spehar, Carlos Roberto; Faquin, Valdemar (Editora UFLA, 2016-03)

Ammonia volatilization (N-NH3) is one of the main pathways of Nitrogen loss reducing nitrogen use efficiency in coffee orchard. This work aimed at quantifying ammonia volatilization (N-NH3) losses from N-sources to be used ...

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