Results 21 to 30 of about 586 (114)

Sterols from Cyathea Bicrenata Liebm rhizome and their breast cancer activity: in vitro and in silico evaluation

open access: yesBulletin of the National Research Centre
The use of herbal infusions is considered a therapeutic approach that aids and, in many cases, replaces conventional pharmacological treatments. However, the identification of their compounds and their corresponding biological activities has not been ...
Ruth Esperanza Márquez-López   +3 more
doaj   +1 more source

Citizen‐Science Camera Trap Data Reveal Large‐Scale Activity Patterns of the Bobcat (Lynx rufus) Across Mexican Ecosystems

open access: yesEcology and Evolution, Volume 16, Issue 7, July 2026.
We evaluated whether citizen science–derived camera‐trap records can be used to characterize large‐scale activity patterns of a widely distributed mesocarnivore across heterogeneous landscapes. Using 821 independent iNaturalist records, we quantified activity across six major vegetation types in Mexico with kernel density estimation, circular ...
Luis A. Alanis‐Hernández   +6 more
wiley   +1 more source

Extensive but fragmented evidence limits understanding of factors shaping farmers' decisions regarding diversified farming systems: A global evidence map

open access: yesPeople and Nature, Volume 8, Issue 7, Page 2212-2232, July 2026.
Abstract Diversified farming systems are increasingly recognised for their potential to enhance the sustainability and resilience of food systems. Yet it remains unclear whether empirical research adequately captures the drivers and constraints shaping farmers' decisions regarding diversified farming systems across stages of decision‐making ...
Andrea C. Sánchez Bogado   +5 more
wiley   +1 more source

La enseñanza agrícola en Costa Rica 1885-1940.

open access: yesDiálogos, 2001
Este artículo fue proyectado de modo que en el solo se describiera la historia de la enseñanza agrícola. Para ser sincero con nuestros lectores hace algunos años un destacado ingeniero agrónomo publicó un trabajo sobre este tema2.
Carlos Naranjo Gutiérrez
doaj   +3 more sources

Agunas reflexiones sobre el PCCMCA

open access: yesAgronomía Mesoamericana, 2016
Al mirar atrás sobre los 35 años de desarrollo del PCCMCA, sus éxitos y logros han sido definitivamente una fuente real de satisfacción para mí y yo creo para todos los participantes.
Edwin J. Wellhausen
doaj   +1 more source

Spatial Variation of Acidic Sodic Soils in High‐Andean Environments and Theoretical Estimation of Gypsum Requirement

open access: yesSoil Use and Management, Volume 42, Issue 3, July‐September 2026.
ABSTRACT High‐Andean forage systems are characterized by extensive management of cultivated forages, primarily through rotation of forage oats (Avena sativa) and alfalfa (Medicago sativa), under marginal edaphoclimatic conditions. Within this context, soil sodicity severely constrains the productivity of these systems in the districts of Ayaviri and ...
Kenyi Quispe   +8 more
wiley   +1 more source

La ecología política de un cambio de paradigma incipiente: las instituciones internacionales de investigación agrícola y la agroecología en África

open access: yesBoletín de Estudios Geográficos
Ante la creciente inseguridad alimentaria en el continente africano, está claro que los paradigmas agrícolas convencionales no han movido el dial de la malnutrición.
William G. Moseley
doaj   +1 more source

Decadal climate variability and increasing exposure of Chilean agriculture

open access: yesAgricultural &Environmental Letters, Volume 11, Issue 1, June 2026.
Abstract Central Chile has undergone a steady shift from traditional annual crops to fruit orchards and vineyards, and a decline in the area dedicated to annual crops. This transition coincides with a decrease in precipitation and an increase in temperature.
Diego Rivera   +5 more
wiley   +1 more source

Morphological, Culinary, and Nutritional Diversity of Common Bean (Phaseolus vulgaris) Accessions in the Northern Andean Region of Peru

open access: yesLegume Science, Volume 8, Issue 2, June 2026.
ABSTRACT Common bean (Phaseolus vulgaris L.) grains represent a major source of plant‐based protein and essential micronutrients; however, their consumption is constrained by prolonged cooking times and variable nutritional profiles. This study characterized the morphological, culinary, and nutritional diversity of 36 common bean accessions collected ...
Wagner Meza‐Maicelo   +4 more
wiley   +1 more source

La investigación científica en quinua y su relación con el retorno económico entre los años 1999 al 2020

open access: yesAgroindustrial Science, 2022
Los fondos públicos de los países son escasos, especialmente en los países en desarrollo, tomando decisiones el gobierno en la asignación de recursos para la investigación agrícola.
Luis Enrique Quintanilla Chacón   +3 more
doaj   +1 more source

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