Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Edwin Villagrán"'
Autor:
Edwin Villagrán, Felipe Romero-Perdomo, Stephanie Numa-Vergel, Julio Ricardo Galindo-Pacheco, Diego Alejandro Salinas-Velandia
Publikováno v:
Horticulturae, Vol 10, Iss 1, p 15 (2023)
Researchers and practitioners use life cycle assessment (LCA) as a powerful tool to thoroughly assess the environmental impact of protected agriculture. However, the literature in this field has shown heterogeneity, which is characterized by inconsis
Externí odkaz:
https://doaj.org/article/22ead203f9b8446d93a42a001544873f
Autor:
Edwin Villagrán, Carlos Bojacá
Publikováno v:
Revista Ceres, Vol 67, Iss 5, Pp 345-356 (2020)
ABSTRACT The thermal efficiency of naturally ventilated greenhouses is limited due to the permanent exchange of air through the vents, especially during the night hours. The objective of the work consisted in evaluating a system of inflatable air duc
Externí odkaz:
https://doaj.org/article/2c9671d1932749c6943598856daeda20
Publikováno v:
Agronomy, Vol 12, Iss 11, p 2593 (2022)
The agricultural sector continues to be the largest consumer of useful water. Despite knowing the volume of water required by plants (evapotranspiration), methodologies must be adapted to current production systems. Based on the energy balance (radia
Externí odkaz:
https://doaj.org/article/960ba2cacb364b16b5f2fa6f24b199e3
Publikováno v:
Sensors, Vol 22, Iss 10, p 3925 (2022)
In Colombia, the second-largest exporter of cut flowers worldwide and one of the South American countries with the largest area of crops under cover, passive or naturally ventilated greenhouses predominate. Locally, there are several types of greenho
Externí odkaz:
https://doaj.org/article/108d27fcfa80433eba6261f7442925c0
Autor:
Edwin Villagrán, Andrea Rodriguez
Publikováno v:
Fluids, Vol 6, Iss 6, p 223 (2021)
Determining airflow patterns and their effect on the distribution of microclimate variables such as temperature is one of the most important activities in naturally ventilated protected agricultural structures. In tropical countries, this information
Externí odkaz:
https://doaj.org/article/d37a141dc1b240f7b6cfaaaec83a9bdc
Publikováno v:
Agronomy, Vol 11, Iss 7, p 1330 (2021)
Cut flower production in the Bogotá savanna is one of Colombia’s main export products. Flower production is mainly carried out in greenhouses, as this type of production system has substantial advantages over crops grown in open fields. Protected
Externí odkaz:
https://doaj.org/article/0bdc87be5542455ea2b6bb9dd06c25e4
Publikováno v:
Maskay, Vol 1, Iss 1, Pp 39-44 (2011)
El presente proyecto se lleva a cabo con la finalidad de ayudar a personas con limitaciones físicas o adultos mayores en el proceso de independencia y reincorporación en la sociedad. Se planteó realizar el rediseño, implementación, puesta en fun
Externí odkaz:
https://doaj.org/article/55a76d267113436dab63938e63878f8d
Autor:
Diego Alejandro Salinas-Velandia, Felipe Romero-Perdomo, Stephanie Numa-Vergel, Edwin Villagrán, Pilar Donado-Godoy, Julio Ricardo Galindo-Pacheco
Publikováno v:
International Journal of Environmental Research and Public Health; Volume 19; Issue 19; Pages: 12053
The integration of the circular economy in agriculture has promoted sustainable innovation in food production systems such as horticulture. The present paper illustrates how horticulture is transitioning to the circular economy. This research field
Autor:
Rommel León Pacheco, Edwin Villagrán Munar, Andrea Onelia Rodríguez Roa, Marlon José Yacomelo Hernández, Jorge Jaramillo Noreña
Esta obra tiene por objeto mostrar las características del montaje de un invernadero bioclimático ventilado de acuerdo con un diseño desarrollado el 2019 en el departamento de Magdalena, Colombia. Este diseño está basado en un modelo computacion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d64847251a0ad91631a8e2779dcbe2b
https://doi.org/10.21930/agrosavia.manual.7404890
https://doi.org/10.21930/agrosavia.manual.7404890
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