Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Edwin Villagran"'
Autor:
Gloria Alexandra Ortiz, Adrian Nicolas Chamorro, John Fabio Acuña-Caita, Irineo L. López-Cruz, Edwin Villagran
Publikováno v:
AgriEngineering, Vol 5, Iss 4, Pp 2284-2302 (2023)
Modeling and simulation have become fundamental tools for the microclimatic analysis of greenhouses under various climatic conditions. These models allow precise control of the climate inside the structures and the optimization of their performance u
Externí odkaz:
https://doaj.org/article/d16ea0be92af481a8a4c87db426ce462
Autor:
Edwin Villagran, Gloria Alexandra Ortiz Rocha, Lorena Mojica, Jorge Flores-Velasquez, Cruz Ernesto Aguilar, Linda Gomez, Douglas Gomez, Eduard Antolinez, Stephanie Numa
Publikováno v:
Ornamental Horticulture, Vol 30 (2024)
The cut flower sector is an area of horticulture that generates great economic and academic interest worldwide, the production of flowers represents a market segment that has aesthetic and sentimental purposes in many regions of the world. In recent
Externí odkaz:
https://doaj.org/article/83caed222eaa4f339a92dcd282166674
Autor:
Edwin Villagran, Gloria Alexandra Ortiz, Lorena Mojica, Jorge Flores-Velasquez, Cruz Ernesto Aguilar, Linda Gomez, Eduar Antolinez, Stephanie Numa
Publikováno v:
Ornamental Horticulture, Vol 29, Iss 4 (2023)
Ornamental plants play a fundamental role in diverse applications, from cut flower production to landscape design and space decoration. The ornamental industry, which is part of horticulture, has experienced significant advances and mobilizes billion
Externí odkaz:
https://doaj.org/article/b49cbf3754dc4035b294f346cc37b2f1
Autor:
Edwin Villagran
Publikováno v:
Revista Ceres, Vol 68, Iss 1, Pp 10-22 (2021)
ABSTRACT Deficient ventilation rates and airflow patterns in naturally ventilated greenhouses are the main causes for the generation of inadequate and heterogeneous thermal conditions inside this type of structure. In this research, a numerical study
Externí odkaz:
https://doaj.org/article/9b4093f7534046ed9741a812158fb7d4
Autor:
Jorge Flores-Velázquez, Fernando Rojano, Cruz Ernesto Aguilar-Rodríguez, Edwin Villagran, Federico Villarreal-Guerrero
Publikováno v:
Agronomy, Vol 12, Iss 5, p 1158 (2022)
This study proposed an indicator to calculate the regional thermal potential from the local temperature. A probabilistic function curve generalized as a complementary error function (erfc) was used to assume the temperature curve follows the normal d
Externí odkaz:
https://doaj.org/article/0e9a3d19adc046d595751f5bc34a6b26
Autor:
Edwin Villagran, Carlos Bojacá
Publikováno v:
Ornamental Horticulture, Vol 26, Iss 2 (2020)
Carnation production in Colombia, the world’s main exporter, takes place entirely in naturally ventilated greenhouses. This type of structure presents non-homogeneous microclimate conditions which differentially affect crop growth and development,
Externí odkaz:
https://doaj.org/article/656dab5a283e4d4f8177e22424d1f9fa
Autor:
Edwin Villagran, Carlos Bojacá
Publikováno v:
Ornamental Horticulture, Vol 26, Iss 2 (2020)
The spatial behavior of the environmental variables involved in rose production is one of the factors of greatest current interest in the Colombian ornamental sector. The aim of this work consisted in the evaluation of a passive greenhouse through an
Externí odkaz:
https://doaj.org/article/58dd71bbc509483fb3ea464c27b1a814
Publikováno v:
Fluids, Vol 6, Iss 5, p 183 (2021)
Solar drying using greenhouse dryers is a viable method from the technical, economic, and environmental perspectives, allowing the drying of agricultural products for conservation purposes in different regions of the world. In Colombia, the drying of
Externí odkaz:
https://doaj.org/article/daecc541924c4b6d908ddbecada915c8
Autor:
Gloria Alexandra Ortiz Rocha, Stephanie Johana Numa Vergel, Linda Gómez Arias, Yeni Rodriguez Giraldo, Edwin Villagran
Publikováno v:
Ciencia Latina Revista Científica Multidisciplinar. 6:17-38
El uso de sistemas de cultivo sin suelo (SCS) en la agricultura bajo cubierta, se ha vuelto muy popular principalmente, porque permite la intensificación de la producción hortícola en muchas regiones del mundo. Así mismo este tipo de sistemas de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0417abc3ebcbb62ad5e7a2526a0ab6cb
https://doi.org/10.37811/cl_rcm.v6i7.3887
https://doi.org/10.37811/cl_rcm.v6i7.3887
Autor:
Gloria Alexandra Ortiz Rocha, Adrian Nicolas Chamorro Medina, Linda Gómez Arias, John Fabio Acuña Caita, Edwin Villagran
Publikováno v:
Ciencia Latina Revista Científica Multidisciplinar. 6:2220-2245
La producción agrícola en cultivos bajo invernadero cobra cada mas relevancia a nivel mundial, esto no es una excepción en Latinoamérica y el Caribe, donde cada año las áreas bajo este sistema de cultivo, crecen en superficie y en diversidad de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d5c656458ddb41cb6c478e2028fa7e7
https://doi.org/10.37811/cl_rcm.v6i6.3676
https://doi.org/10.37811/cl_rcm.v6i6.3676