Results 11 to 20 of about 28,093 (240)

Review of the Trifolium amabile Complex in Peru, with the Description of a New Species. [PDF]

open access: yesScientifica (Cairo), 2016
Here, we describe Trifolium absconditum sp. nov., a new species of the T. amabile complex from South America. It differs from other Peruvian Trifolia of the complex by having smaller stipules, leaves, inflorescences, and floral pieces. A key for Peruvian species of the complex is presented, and typifications for them are made when necessary and ...
Molinari-Novoa EA.
europepmc   +2 more sources

Food assessment for pesticide's contamination in Chugchilán parish crops in Cotopaxi (Ecuador)

open access: yesJournal of Food Process Engineering, Volume 46, Issue 11, November 2023., 2023
Abstract The objective of this study is to evaluate the contamination by pesticides in food grown in the parish of Chugchilán. From 258 families that were part of the main project, a sub‐sample of 26 families was obtained and, for each of them, a sample of food was extracted and evaluated by chromatographic methods.
Augusto César Oviedo‐Chávez   +5 more
wiley   +1 more source

Water chemistry variation in tropical high‐mountain lakes on old volcanic bedrocks

open access: yesLimnology and Oceanography, Volume 67, Issue 7, Page 1522-1536, July 2022., 2022
Abstract Water chemistry and its ecological implications have been extensively investigated in temperate high‐mountain lakes because of their role as sentinels of global change. However, few studies have considered the drivers of water chemistry in tropical mountain lakes underlain by volcanic bedrock.
Pablo V. Mosquera   +3 more
wiley   +1 more source

A field, laboratory, and literature review evaluation of the water retention curve of volcanic ash soils: How well do standard laboratory methods reflect field conditions?

open access: yesHydrological Processes, Volume 35, Issue 1, January 2021., 2021
Standard laboratory methods resemble only a small portion of the wet range the Andosols' WRC, but overestimate substantially their water content for higher matric potentials as compared to field conditions. The discrepancy occurs irrespective of site‐specific characteristics and the laboratory method applied.
Giovanny M. Mosquera   +6 more
wiley   +1 more source

Bocadito con alto contenido proteico: un extruido a partir de quinua (Chenopodium quinoa Willd.), tarwi (Lupinus mutabilis Sweet) y camote (Ipomoea batatas L.)

open access: greenScientia Agropecuaria, 2017
La presente investigación tuvo como objetivo la elaboración de un bocadito extruido de elevado tenor proteico, a partir de quinua (Chenopodium quinoa Willd.), tarwi (Lupinus mutabilis Sweet) y fécula de camote (Ipomoea batatas L.). Para su formulación se
Katherine Pérez   +2 more
doaj   +1 more source

Water transport and tracer mixing in volcanic ash soils at a tropical hillslope: A wet layered sloping sponge

open access: yesHydrological Processes, Volume 34, Issue 9, Page 2032-2047, 30 April 2020., 2020
The subsurface hydrological behavior of volcanic ash soils (Andosols) resembles that of a “wet layered sponge” in which vertical flow paths are dominant despite the formation of a perched water layer below the root zone. Abstract Andosol soils formed in volcanic ash provide key hydrological services in montane environments.
Giovanny M. Mosquera   +4 more
wiley   +1 more source

Análisis del ciclo de vida de las publicaciones sobre la producción de quinua (Chenopodium quinoa Willd), a través de curvas en S

open access: yesRevista de Investigación, Desarrollo e Innovación, 2019
El objetivo del trabajo fue estudiar el ciclo de vida de las publicaciones relacionadas con la producción de quinua (Chenopodium quinoa Willd), mediante las curvas en S. La revisión bibliográfica se efectuó en la base de datos Scopus.
Miguel Ángel García-Parra   +1 more
doaj   +1 more source

A holistic approach to enhance the use of neglected and underutilized species: the case of Andean grains in Bolivia and Peru [PDF]

open access: yes, 2014
The IFAD-NUS project, implemented over the course of a decade in two phases, represents the first UN-supported global effort on neglected and underutilized species (NUS).
Amaya, K.   +5 more
core   +2 more sources

Experiencia interinstitucional en la producción orgánica de quinua (Chenopodium quinoa Willd.) provincia Aroma, departamento de La Paz

open access: yesRevista de Investigación e Innovación Agropecuaria y de Recursos Naturales, 2022
La visión nacional respecto a la producción de quinua, centra su atención en los volúmenes producidos en el Altiplano Sur de Bolivia, misma que concentra el 87 % del total producido.
Marco Antonio Patiño Fernández
doaj   +1 more source

Efecto del proceso de malteado en la calidad y estabilidad de una bebida de quinua (Chenopodium quinoa Willd) y mango (Mangifera indica)

open access: yesAgroindustrial Science, 2016
La quinua es un grano andino con alto valor nutricional, que puede ser incorporado con otros productos alimentarios como frutas, las cuales pueden aportar otros nutrientes que permiten obtener nuevos productos.
Nidia Casas Forero   +3 more
doaj   +1 more source

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