Zobrazeno 1 - 10
of 124
pro vyhledávání: '"Marcelo de Carvalho Alves"'
Autor:
Humberson Rocha Silva, Edson Ampélio Pozza, Aurivan Soares de Freitas, Marcelo Loran de Oliveira Freitas, Marcelo de Carvalho Alves, Mauro Peraro Barbosa Barbosa Junior
Publikováno v:
Revista de Agricultura Neotropical, Vol 11, Iss 3 (2024)
The objective of this study was to evaluate the spatial distribution of Phoma leaf spot of coffee and its relationship with the environmental variables altitude, soil texture, and mineral nutrients. In addition, the relationship between disease and f
Externí odkaz:
https://doaj.org/article/d9b0413359eb4825b0a9deb215307a68
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 86, Iss , Pp 102016- (2020)
Coffee rust (Hemileia vastatrix Berk. & Br.) is one of the most prominent diseases in coffee (Coffea arabica L.) and causes serious damage to the crop. The pathogen incubation period may be long for about 30 days and 10% incidence of rust may result
Externí odkaz:
https://doaj.org/article/1d495155db69400da3b98172e137bd14
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 85, Iss , Pp 101983- (2020)
Coffee berry necrosis is a fungal disease that, at a high level, significantly affects coffee productivity. With the advent of surface mapping satellites, it was possible to obtain information about the spectral signature of the crop on a time scale
Externí odkaz:
https://doaj.org/article/8a0a2927d0c147ca8f5ac72f5aade9b0
Autor:
Jefferson Francisco Soares, Gláucia Miranda Ramirez, Mirléia Aparecida de Carvalho, Marcelo de Carvalho Alves, Christiany Mattioli Sarmiento, Diego Bedin Marin
Publikováno v:
Revista Agrogeoambiental, Vol 11, Iss 3 (2019)
The maintenance of riparian forests is considered one of the main vegetative practices for mitigating the degradation of water resources and is mandatory by law. However, in Brazil there is still a progressive and constant decharacterization of these
Externí odkaz:
https://doaj.org/article/fd966313df714b2c8a95d91c34f9c794
Autor:
Edson Ampélio Pozza, Éder Ribeiro dos Santos, Nilva Alice Gaspar, Ximena Maira de Souza Vilela, Marcelo de Carvalho Alves, Mário Roberto Nogueira Colares
Publikováno v:
Agronomy, Vol 11, Iss 11, p 2284 (2021)
This study aimed to develop a warning system platform for coffee rust incidence fifteen days in advance, as well as validating and regionalizing multiple linear regression models based on meteorological variables. The models developed by Pinto were v
Externí odkaz:
https://doaj.org/article/e8a1bd9fa8334c179de4498d0d894e00
Autor:
Filipe Silveira Trindade, Marcelo de Carvalho Alves, Rafael Noetzold, Igor Carvalho de Andrade, Adélia Aziz Alexandre Pozza
Publikováno v:
Revista de Ciências Agrárias, Vol 62 (2019)
Recentes pesquisas, com auxílio da tecnologia, têm encontrado resultados satisfatórios visando o manejo adequado das culturas agrícolas. Assim sendo, este estudo procurou avaliar relações espectrais e temporais dos índices normalized differenc
Externí odkaz:
https://doaj.org/article/db1fce144a6441098c0ec735b93754e6
Autor:
José Holanda Campelo Junior, Emilio Carlos de Azevedo, Marcelo de Carvalho Alves, Dimas de Mello, Francisco de Almeida Lobo, Ricardo Santos Silva Amorim
Publikováno v:
Agro@mbiente On-line, Vol 8, Iss 3, Pp 318-326 (2014)
In the state of Mato Grosso, the area planted with cotton is mainly concentrated in the plains, where the climate Aw determines an alternation between a rainy and a dry season, and where the soil is predominant Red-Yellow Latosol and Red Latosol (Oxi
Externí odkaz:
https://doaj.org/article/e84f4e0a4c704b0aa7ca7b415aa24fcd
Autor:
Rafael Noetzold, Marcelo de Carvalho Alves, Rogério Antonio Gallon, Maicon José Peres Arruda Oliveira
Publikováno v:
Revista Brasileira de Geomática, Vol 2, Iss 2, Pp 59-66 (2014)
Foi estudada a variabilidade espacial da altitude obtida por GNSS, ASTER GDEM e SRTM. Foram coletados com receptores Global Navigation Satellite Systems (GNSS) 3.884 dados de altitude, e utilizados para comparação, os dados de altitude dos modelos
Externí odkaz:
https://doaj.org/article/7e04e6e722e94307873b44149fa304e2
Autor:
Luciana Sanches, Marcelo de Carvalho Alves, José Holanda Campelo Júnior, José de Souza Nogueira, Higo José Dalmagro
Publikováno v:
Revista Brasileira de Meteorologia, Vol 25, Iss 4, Pp 448-454 (2010)
O coeficiente Priestley-Taylor (α) foi calculado baseado na estimativa da evapotranspiração pelo método de Bowen para floresta monodominante Vochysia divergens no Pantanal, Brasil. A área em estudo estava localizada no noroeste do Pantanal a apr
Externí odkaz:
https://doaj.org/article/1f15c592ea634f2aa1d5077ce03dd919
Autor:
Fábio Moreira da Silva, Marcelo de Carvalho Alves, Júlio César Silva Souza, Marcelo Silva de Oliveira
Publikováno v:
Ciência e Agrotecnologia, Vol 34, Iss 3, Pp 625-632 (2010)
Analisou-se, neste trabalho, a relação entre a produtividade e a desfolha do cafeeiro durante o processo de colheita manual nas safras agrícolas de 2005, 2006 e 2007. O experimento foi desenvolvido na fazenda Cafua, localizada no município de Ija
Externí odkaz:
https://doaj.org/article/a361ad83c32d4b6e81e093da33ad7331