Results 31 to 40 of about 916,404 (185)

Impact of the Association of Maize with Native Beans on the Morphological Growth, Yield, and Nutritional Composition of Forage Intended for Silage in the Peruvian Amazon

Agronomy
Scenarios of climate change, extensive land use, soil degradation, the loss of native forest cover due to monoculture expansion, and pasture scarcity pose new challenges to livestock farming worldwide.
Héctor V. Vásquez, Manuel Reyna, Lamberto Valqui-Valqui, Leidy G. Bobadilla, Jorge L. Maicelo, Luis Homero Zagaceta Llanca, Juan Yalta Vela, José Manuel Isla Pérez, Ysai Paucar, Miguel A. Altamirano-Tantalean, Leandro Valqui   +10 more
doaj   +1 more source

Slash-Weighted Lindley Distribution: Properties, Inference, and Applications

Mathematics, 2023
The slash-weighted Lindley model is introduced due to the need to obtain a model with more kurtosis than the weighted Lindley distribution. Several expressions for the pdf of this model are given.
Jaime S. Castillo, Inmaculada Barranco-Chamorro, Osvaldo Venegas, Héctor W. Gómez   +3 more
doaj   +1 more source

Metodologías de investigación educativa (descriptivas, experimentales, participativas, y de investigación-acción)

RECIMUNDO, 2020
Los métodos de investigación localizan y delimitan un problema, permiten recolectar datos importantes para generar hipótesis que posteriormente sean probadas o respaldadas. De esta forma se pueden tomar las decisiones más acordes al caso de estudio.
Gladys Patricia Guevara Albán, Alexis Eduardo Verdesoto Arguello, Nelly Esther Castro Molina   +2 more
semanticscholar   +1 more source

Influence of Nitrogen Fertilization and Cutting Dynamics on the Yield and Nutritional Composition of White Clover (Trifolium repens L.)

Plants
White clover (Trifolium repens L.) is known for its ability to fix nitrogen biologically, its high nutritional value, and its adaptability to livestock systems.
Héctor V. Vásquez, Leandro Valqui, Lamberto Valqui-Valqui, Leidy G. Bobadilla, Manuel Reyna, Cesar Maravi, Nelson Pajares, Miguel A. Altamirano-Tantalean   +7 more
doaj   +1 more source

Análisis de datos cuantitativos con SPSS en investigación socioeducativa

, 2020
Solo si somos capaces de conocer/explicar/comprender los fenómenos sociales y educativos que inciden en los procesos de enseñanza y aprendizaje, en la organización de los centros docentes y en la configuración de los sistemas educativos formales e ...
Francisco Javier Murillo Torrecilla, Cynthia Martínez-Garrido   +1 more
semanticscholar   +1 more source

Blocked and “Unblocked” Learning: Structural Factors That Impede and Enable Evidence‐Informed Policymaking

European Policy Analysis, EarlyView.
ABSTRACT This article addresses a critical issue in evidence‐informed policymaking: the challenge of translating knowledge into policy outputs amidst the complex interplay between research and politics. It discusses the concept of “blocked learning,” where individual‐level learning fails to scale up to organizational and policy levels, thus impeding ...
Thenia Vagionaki
wiley   +1 more source

Influence of tree species on soil physicochemical composition, macrofauna, and forage production

Journal of Agriculture and Food Research
The expansion of livestock farming has had negative environmental impacts, such as biodiversity loss, soil compaction, and greenhouse gas emissions. Silvopastoral systems (SPS), which integrate forest species and grazing, are an alternative to mitigate ...
Leandro Valqui, José Américo Saucedo-Uriarte, Miguel A. Altamirano-Tantalean, Leidy G. Bobadilla, Segundo Melecio Portocarrero Villegas, William Bardales, Hugo Frias, Luis Homero Zagaceta Llanca, Lamberto Valqui-Valqui, Lizbeth Juanita Puerta-Chavez, Héctor V. Vásquez   +10 more
doaj   +1 more source

Policy Networks and Policy Entrepreneurship in the EU: Explaining Structural Policy Change in Pharmaceutical Innovation Incentives and Health Technology Assessment

European Policy Analysis, EarlyView.
ABSTRACT Policy process research has excelled in explaining structural policy change within national settings, but extensions and applications to the EU level have long proven challenging for scholars. Given that the EU is currently experiencing its longest period of Treaty stability since the 1980s—having evolved into a sui generis political system ...
Vassilis Karokis‐Mavrikos
wiley   +1 more source

Sizing and Characterization of Load Curves of Distribution Transformers Using Clustering and Predictive Machine Learning Models

Energies
The efficient sizing and characterization of the load curves of distribution transformers are crucial challenges for electric utilities, especially given the increasing variability of demand, driven by emerging loads such as electric vehicles. This study
Pedro Torres-Bermeo, Kevin López-Eugenio, Carolina Del-Valle-Soto, Guillermo Palacios-Navarro, José Varela-Aldás   +4 more
doaj   +1 more source

Aplicaciones de Software Científico para el análisis de datos en diseños mixtos de investigación.

, 2017
Resumen: El presente articulo reflexiona sobre el uso del software cientifico como herramienta fundamental para el analisis de los datos en la investigacion de las ciencias sociales. El articulo contiene tres partes claramente diferenciadas.
Edixon Chacón Guerrero, R. Zapata
semanticscholar   +1 more source