Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Hans R. Gheyi"'
Autor:
Mairton G. da Silva, Tales M. Soares, Hans R. Gheyi, Mateus G. B. de Oliveira, Caroline C. dos Santos
Publikováno v:
Engenharia Agrícola, Vol 40, Iss 6, Pp 674-683 (2020)
ABSTRACT A large number of studies on salinity in hydroponic systems have been carried out, but few of them have evaluated the interaction between salinity and nutrient solution temperatures. Two experiments were carried out in a randomized block des
Externí odkaz:
https://doaj.org/article/b4cc015ba4e442dfafb6c1af92a17938
Autor:
Luana L. de S. A. Veloso, André A. R. da Silva, Jessica D. Capitulino, Geovani S. de Lima, Carlos A. V de Azevedo, Hans R. Gheyi, Reginaldo G. Nobre, Pedro D. Fernandes
Publikováno v:
AIMS Agriculture and Food, Vol 5, Iss 1, Pp 1-13 (2020)
Hydrogen peroxide has been used in agriculture as a way to minimize the negative effects caused by biotic and abiotic stresses on plants. Thus, the objective of this study was to evaluate the mitigating effect of hydrogen peroxide on chlorophyll a fl
Externí odkaz:
https://doaj.org/article/aee5b4c44c3145978dfaf6455cb9e02f
Autor:
Elysson Marcks G. Andrade, Geovani S. de Lima, Vera Lúcia A. de Lima, Saulo S. da Silva, Hans R. Gheyi, Auryclennedy C. Araújo, Josivanda P. Gomes, Lauriane A. dos A. Soares
Publikováno v:
AIMS Agriculture and Food, Vol 4, Iss 4, Pp 907-920 (2019)
The present study aimed to evaluate the production and postharvest quality of yellow passion fruit, cultivated under different levels of irrigation water salinity and exogenous application of hydrogen peroxide. At low concentrations, hydrogen peroxid
Externí odkaz:
https://doaj.org/article/8901abe080514cc68e75ac06ee76e893
Autor:
Geovani S. de Lima, Vicente Elias da S. Neto, Hans R. Gheyi, Reginaldo G. Nobre, Genilson L. Diniz, Lauriane A. dos Anjos Soares, Pedro D. Fernandes, Fernandes A. de Almeida, Francisco Wesley A. Pinheiro
Publikováno v:
AIMS Agriculture and Food, Vol 4, Iss 4, Pp 1007-1019 (2019)
Cashew cultivation is an activity of great socioeconomic relevance, especially for agriculture in the semi-arid region of Northeast Brazil, standing out as an option to generate jobs and income. Thus, the present study aimed to evaluate the photosynt
Externí odkaz:
https://doaj.org/article/7f31b51e739b49719e85129244d1ac86
Autor:
Gabriel O. Martins, Stefane S. Santos, Edclecio R. Esteves, Raimundo R. de Melo Neto, Raimundo R. Gomes Filho, Alberto S. de Melo, Pedro D. Fernandes, Hans R. Gheyi, Walter S. Soares Filho, Marcos E. B. Brito
Publikováno v:
Agriculture, Vol 12, Iss 10, p 1673 (2022)
The citrus yield is limited by soil and/or water salinity, but appropriate rootstocks can ensure the sustainability of the production system. Therefore, the objective of the present research was to evaluate the salt content in the soil and the produc
Externí odkaz:
https://doaj.org/article/78aef6f2db1643d49580fc6d3a0a67ca
Autor:
José A. Santos Júnior, Hans R. Gheyi, Antônio R. Cavalcante, Nildo da S. Dias, Salomão de S. Medeiros
Publikováno v:
Engenharia Agrícola, Vol 36, Iss 3, Pp 420-432 (2016)
RESUMO Em face de características relacionadas à infraestrutura, situação edáfica, hídrica e social, peculiares do semiárido brasileiro, é precípua a utilização de sistemas de cultivo alternativos que considerem tais características, incl
Externí odkaz:
https://doaj.org/article/92b939cfe0ed4e1f918eea97bb443094
Autor:
Geovani S. de Lima, Reginaldo G. Nobre, Hans R. Gheyi, Lauriane A. dos A. Soares, Alexsandro O. da Silva
Publikováno v:
Engenharia Agrícola, Vol 34, Iss 5, Pp 854-866 (2014)
Esta pesquisa foi realizada com o propósito de avaliar o crescimento e os componentes de produção da mamoneira cv. BRS Energia sob diferentes níveis de salinidade da água de irrigação e de doses de nitrogênio em condições de campo, no Neoss
Externí odkaz:
https://doaj.org/article/7dabea7657fe43cf9b89456bb1300651
Autor:
Carlos H. C. de Sousa, Claudivan F. de Lacerda, Francisco L. B. da Silva, Antonia L. R. Neves, Raimundo N. T. Costa, Hans R. Gheyi
Publikováno v:
Engenharia Agrícola, Vol 34, Iss 5, Pp 867-876 (2014)
The objective of this study was to evaluate the use of subsoiling, gypsum and organic matter associated with the cultivation of cotton, sunflower and cowpea in crop rotation, seeking the reclamation and use of a saline-sodic soil. The treatments were
Externí odkaz:
https://doaj.org/article/2930ab7fe02942928320e733d4c7be54
Autor:
José F. de Medeiros, Cícero P. Cordão Terceiro Neto, Hans R. Gheyi, Nildo da S. Dias, Mariana S. de M. Souza, Rauny O. de Souza
Publikováno v:
Engenharia Agrícola, Vol 34, Iss 4, Pp 649-659 (2014)
It was to aimed it to investigate effects of various saline water use strategies on melon production and quality of two cultivars (Cucumis melo L., Sancho - C1 and Medellín - C2. The plants were irrigated with water of low (S1 = 0.61 dS m-1) and hig
Externí odkaz:
https://doaj.org/article/dd2625ab10ed4992bedef808fd7f216c
Autor:
José Amilton Santos Júnior, Hans R. Gheyi, Doroteu H. G. Filho, Frederico A. L. Soares, Nildo da S. Dias
Publikováno v:
Engenharia Agrícola, Vol 33, Iss 4, Pp 718-729 (2013)
In order to identify alternatives for the use of saline water in agricultural production, the effects of the use of brackish water in the preparation of the nutrient solution for the cultivation of sunflower (cv. EMBRAPA 122-V2000) were studied in hy
Externí odkaz:
https://doaj.org/article/8ed1d7e3531240bb80d8619f6727c36f