Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Douglas Guelfi"'
Autor:
Leonardo Fernandes Sarkis, Flávio Henrique Silveira Rabêlo, Franz Walter Rieger Hippler, Douglas Guelfi
Publikováno v:
Scientia Agricola, Vol 81 (2024)
ABSTRACT Boron (B) is readily leached from the soil, depending on the soil texture, soil organic matter (OM) content, and the fertilizer source used. This can restrict B uptake by plants. Therefore, we investigated the most adequate B source for soyb
Externí odkaz:
https://doaj.org/article/91d7d3767ddc4616851d3825fa5bf74a
Autor:
Adrianne Braga da Fonseca, César Santos, Ana Paula Pereira Nunes, Damiany Pádua Oliveira, Maria Elisa Araújo de Melo, Thalita Takayama, Bethânia Leite Mansur, Thales de Jesus Fernandes, Gilson do Carmo Alexandrino, Marcos Altomani Neves Dias, Douglas Guelfi
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-14 (2023)
Abstract Experiments were conducted to evaluate the stability and degradation of NBPT under storage conditions and to quantify urease activity, ammonia losses by volatilization, and agronomic efficiency of urea treated with different urease inhibitor
Externí odkaz:
https://doaj.org/article/6e26151daa6c442a8f4da4bf90cacec4
Autor:
Adrianne Braga da Fonseca, César Santos, Ana Paula Pereira Nunes, Damiany Pádua Oliveira, Maria Elisa Araújo de Melo, Thalita Takayama, Bethânia Leite Mansur, Thales de Jesus Fernandes, Gilson do Carmo Alexandrino, Marcos Altomani Neves Dias, Douglas Guelfi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-2 (2024)
Externí odkaz:
https://doaj.org/article/72d08808996c47f79c494a4ebaa96c47
Autor:
Leonardo Fernandes Sarkis, Mateus Portes Dutra, Damiany Pádua Oliveira, Tales Jesus Fernandes, Thaís Regina de Souza, Victor Ramirez Builes, Douglas Guelfi
Publikováno v:
Frontiers in Plant Science, Vol 14 (2023)
We aimed to quantify the N losses through volatilization of the main conventional and stabilized N fertilizers applied in coffee plantations. Additionally, we also assessed microbiological attributes of the soil (microbial biomass carbon (MBC); micro
Externí odkaz:
https://doaj.org/article/a20fc81897ba407e82e200fbc805fdf3
Autor:
Leonardo Fernandes Sarkis, Mateus Portes Dutra, Camila Almeida dos Santos, Bruno José Rodrigues Alves, Segundo Urquiaga, Douglas Guelfi
Publikováno v:
Atmospheric Environment: X, Vol 20, Iss , Pp 100224- (2023)
The paper consolidates the role of conventional and stabilized N fertilizers used in coffee crop production in Brazil and their N2O emissions in tropical systems. The experiment consisted of the combination of three fertilizers and five doses with fo
Externí odkaz:
https://doaj.org/article/6bf257951232463bbbafa7f11e88131f
Autor:
Tainah Freitas, Damiany Pádua Oliveira, Mateus Portes Dutra, Pauliana Cristina Zito, Estevam Antônio Chagas Reis, Tales Jesus Fernandes, Ana Paula Pereira Nunes, Rubens José Guimarães, Flávio Henrique Silveira Rabêlo, Douglas Guelfi
Publikováno v:
Soil Systems, Vol 7, Iss 4, p 83 (2023)
Enhanced efficiency fertilizers, such as urea treated with a urease inhibitor, controlled-release fertilizers (CRFs), and fertilizer blends, compose important strategies for improving efficiency in nitrogen (N) use by plants and mitigating ammonia (N
Externí odkaz:
https://doaj.org/article/2a13753c07fc4466b39ae95a3a9feba6
Autor:
César Santos, Sheila Isabel do Carmo Pinto, Douglas Guelfi, Sara Dantas Rosa, Adrianne Braga da Fonseca, Tales Jesus Fernandes, Renato Avelar Ferreira, Leandro Barbosa Satil, Ana Paula Pereira Nunes, Konrad Passos e Silva
Publikováno v:
Soil Systems, Vol 7, Iss 2, p 54 (2023)
The adoption of technologies for N fertilization has become essential for increasing the N use efficiency in no-till (NT) systems in Brazil. Thus, this study aimed to quantify ammonia losses, N removal in grains, and second crop season yield in no-ti
Externí odkaz:
https://doaj.org/article/627ab56f9c2741eeafa1a8eeb05f8b8e
Autor:
César Santos, Marcelo Ribeiro Malta, Mariana Gabriele Marcolino Gonçalves, Flávio Meira Borém, Adélia Aziz Alexandre Pozza, Herminia Emilia Prieto Martinez, Taylor Lima de Souza, Wantuir Filipe Teixeira Chagas, Maria Elisa Araújo de Melo, Damiany Pádua Oliveira, Alan Dhan Costa Lima, Lívia Botelho de Abreu, Thiago Henrique Pereira Reis, Thaís Regina de Souza, Victor Ramirez Builes, Douglas Guelfi
Publikováno v:
Plants, Vol 12, Iss 4, p 885 (2023)
The present study had the objective to evaluate the effect of blends of KCl and K2SO4 fertilizers and their influence on the yield and the nutritional state of coffee plants, as well as on the chemical composition and quality of the coffee beverage.
Externí odkaz:
https://doaj.org/article/b0f4df35e1024c41914e1b723608ffce
Autor:
Tainah Freitas, Lucas Bartelega, César Santos, Mateus Portes Dutra, Leonardo Fernandes Sarkis, Rubens José Guimarães, Anderson William Dominghetti, Pauliana Cristina Zito, Tales Jesus Fernandes, Douglas Guelfi
Publikováno v:
Plants, Vol 11, Iss 23, p 3323 (2022)
The aim of this study was to quantify NH3-N losses from conventional, stabilized, slow-release, and controlled-release N fertilizers in a coffee field. The N fertilizers analyzed were prilled urea, prilled urea dissolved in water, ammonium sulfate (A
Externí odkaz:
https://doaj.org/article/21b5c383aa8a4dc799d4b0a7e44bac5c
Problems related to the uniform distribution of micronutrients and their low use efficiency are common. One possible solution is to add micronutrients as fertilizer coating. However, it is necessary to comprehend the use of micronutrients applied via
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0c9849628b188cb65b1ee58b28962c1
https://doi.org/10.22541/essoar.167416698.84399628/v1
https://doi.org/10.22541/essoar.167416698.84399628/v1
