Browsing by Author Guelfi, Douglas Ramos

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Showing results 1 to 8 of 8
Issue DateTitleAuthor(s)
2012Acúmulo de macronutrientes na soja influenciado pelo cultivo prévio do capim-marandu, correção e compactação do soloSouza, Marcos André Silva; Faquin, Valdemar; Guelfi, Douglas Ramos; Oliveira, Geraldo César de; Bastos, Carla Elisa Alves
-Agronomic characteristics of Lettuce grown with monoammonium phosphate in sandy soilChagas, Wantuir Filipe Teixeira; Guelfi, Douglas Ramos; Emrich, Eduardo Bucsan; Silveira, Marco Túlio de Paiva; Caputo, André Luiz Carvalho; Andrade, André Baldansi; Faquin, Valdemar; Soares, Leandro dos Santos
2016Agronomic efficiency of polymer-coated triple superphosphate in onion cultivated in contrasting texture soilsChagas, Wantuir Filipe Teixeira; Guelfi, Douglas Ramos; Emrich, Eduardo Bucsan; Silva, André Leite; Faquin, Valdemar
2017Ammonia and carbon dioxide emissions by stabilized conventional nitrogen fertilizers and controlled release in corn cropSouza, Taylor Lima de; Guelfi, Douglas Ramos; Silva, André Leite; Andrade, André Baldansi; Chagas, Wantuir Filipe Teixeira; Cancellier, Eduardo Lopes
2016Ammonia volatilization from blends with stabilized and controlled-released urea in the coffee systemChagas, Wantuir Filipe Teixeira; Guelfi, Douglas Ramos; Caputo, André Luiz Carvalho; Souza, Taylor Lima de; Andrade, André Baldansi; Faquin, Valdemar
May-2018Monoammonium phosphate coated with polymers and magnesium for coffee plantsGuelfi, Douglas Ramos; Chagas, Wantuir Filipe Teixeira; Lacerda, Jordana Reis; Chagas, Rafael Mattioli Rezende; Souza, Taylor Lima de; Andrade, André Baldansi
2016Nitrogen loss by volatilization of nitrogen fertilizers applied to coffee orchardDominghetti, Anderson William; Guelfi, Douglas Ramos; Guimarães, Rubens José; Caputo, André Luiz Carvalho; Spehar, Carlos Roberto; Faquin, Valdemar
2015Productive characteristics, nutrition and agronomic efficiency of polymer-coated map in lettuce cropsChagas, Wantuir Filipe Teixeira; Emrich, Eduardo Bucsan; Guelfi, Douglas Ramos; Caputo, André Luiz Carvalho; Faquin, Valdemar