Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Roy Vera"'
Publikováno v:
Agronomy, Vol 14, Iss 6, p 1107 (2024)
Mixed production systems play a vital role in the economic sustainability and ecological balance of agroecosystems. Cocoa and plantain are key crops in Ecuador but face phytosanitary challenges, like witches’ broom and black sigatoka diseases, espe
Externí odkaz:
https://doaj.org/article/5aaf7b0efe9c4f12807d9be9ee44d65a
Autor:
Roy Vera-Velez, Jorge Grijalva-Olmedo, Raúl Ramos-Veintimilla, Franklin Sigcha-Morales, Ricardo Limongi-Andrade
Publikováno v:
Tropical and Subtropical Agroecosystems, Vol 27, Iss 1 (2023)
Background: The timber sector in Ecuador holds promising potential for growth and development. The intensive utilization of native taxa has depleted their genetic species pool, making them increasingly scarce in meeting the rising demand for wood. Co
Externí odkaz:
https://doaj.org/article/9769ddc04fa74e2781027d19f0117620
Publikováno v:
MATEC Web of Conferences, Vol 86, p 02017 (2016)
The article presents the results of a study of bearing capacity of thin-walled cold-formed steel beam of the guide profile. Such profiles have a small thickness and complex cross-sectional shape. Bending deformation develops in the cross-sectional pl
Externí odkaz:
https://doaj.org/article/81d298f55bc04f419282f91eb9480456
Publikováno v:
MATEC Web of Conferences, Vol 73, p 01014 (2016)
This article introduces the use of the GNSS method for the load testings of bridge structures. We know that there area lot of methods by which you can determine vertical displacement. However, as new bridge constructions are constructed over almost i
Externí odkaz:
https://doaj.org/article/cbccd493132943af9300d4f4e4159ba6
Publikováno v:
Rangeland Ecology & Management. 87:132-140
Autor:
Raúl Armando Ramos Veintimilla, Roy Vera Vélez, Jorge Eduardo Grijalva Olmedo, Mario Rolando Ramos Veintimilla
Publikováno v:
AlfaPublicaciones. 4:97-114
Introducción. Juglans neotropica Diels, especie neotropical, originaria de Sudamérica, nativa de los Andes y se encuentra de manera natural desde el noroeste de Venezuela, norte y sur de Colombia y Ecuador. Especie de alto valor comercial, con esca
Autor:
Raúl Armando Ramos Veintimilla, Roy Vera Vélez, Jorge Eduardo Grijalva Olmedo, Mario Rolando Ramos Veintimilla
Publikováno v:
ConcienciaDigital. 5:91-106
Introducción: El suelo contiene la mayor reserva de carbono orgánico de los ecosistemas terrestres y quizá es el recurso natural de mayor vulnerabilidad al cambio climático. Objetivo: Determinar cómo influye el cambio de uso de la tierra en el s
Publikováno v:
In Procedia Engineering 2016 165:1806-1811
Autor:
J. Hugo Cota-Sánchez, Denver J. Falconer, Odair J. G. de Almeida, Jarvis A. Stobbs, Roy Vera-Vélez, Ryan S. Rice, Nicholas A. Belliveau
Publikováno v:
Protoplasma.
Autor:
Eric G. Lamb, Roy Vera-Vélez
Publikováno v:
Canadian Journal of Plant Science. 102:316-323
The forage value of native forbs is rarely considered in pasture mixtures, even though such species can make up a substantial proportion of the diet of cattle on native rangelands. Incorporating non-leguminous forbs into pasture grazing systems can p