Results 51 to 60 of about 409,157 (159)
World Food Policy, Volume 11, Issue 2, November 2025.ABSTRACT A key strategy for achieving food security in Ghana is the implementation of food security projects. Unfortunately, one‐third of these projects encounter failure, primarily due to institutional shortcomings. The study demonstrates that institutional weaknesses are significant barriers to attaining food security and examines how institutional ...
Collins Oduro +2 more
wiley +1 more source
Empleo de metodos numericos para el ajuste de los coeficientes de difusividad (D) y convectivo de transferencia de masa (hm) en el secado de alimentos [PDF]
, 2011 Los modelos matemáticos de transferencia de humedad desde el alimento al medio circundante durante el proceso de secado dependen de dos parámetros: coeficiente de difusividad efectiva D y coeficiente convectivo de transferencia de masa hm, cuya ...
Arranz Saiz, Francisco Javier +6 more
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New Phytologist, Volume 248, Issue 3, Page 1557-1571, November 2025.Summary A key feature of extant conifer forests is the high percentage of seeds that germinate and establish on dead wood; in some forests, this can exceed 90%. This deadwood can act as an ideal nursery for young tree species, leading to this type of seedbed being termed ‘nurse logs’.
Ana Julia Sagasti +3 more
wiley +1 more source
Seasonal unit roots in trade variables [PDF]
In this paper we examine the presence of seasonal unit roots in trade variables for Germany, France, the United Kingdom, and Italy, using the procedure developed by Hylleberg, Engle, Granger, and Yoo (1990) [HEGY].
Carol Alexander +1 more
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Malezas hospedantes de hongos necrotróficos causantes de enfermedades en trigo y cebada cervecera en la Región Pampeana [PDF]
, 1999 p.105-110Con el objetivo de determinar la im portancia de hospedantes secundarios en la supervivencia de hongos patógenos de trigo y cebada, se realizó una recolección de malezas en campos de producción agrícolas a partir de las cuales, hongos patógenos ...
Carmona, Marcelo Aníbal +2 more
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Devil and angel shifts in collective action: A call for integration and improvements
Policy Studies Journal, Volume 53, Issue 4, Page 1014-1044, November 2025.Abstract Devil and Angel Shifts are commonly applied concepts in policy research. Using the two concepts in related but different theoretical frameworks – the Advocacy Coalition Framework (ACF) and the Narrative Policy Framework (NPF) – provokes potential challenges of cross‐theoretical dialogue, the establishment of methodological best practices, and ...
Johanna Hornung +2 more
wiley +1 more source
Construcción de gráficas de funciones racionales [PDF]
, 2014 En este trabajo, el lector encontrará una manera rápida y sencilla de obtener la gráfica de una función racional con la ayuda de elementos básicos y característicos de los polinomios. El método propuesto permite bosquejar gráficas a partir de un análisis
Farfán, Rosa, Veloz, Beatriz Alejandra
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Sugar apple (Annona squamosa L., Annonaceae) seed germination: morphological and anatomical changes
Agronomía Colombiana, 2013 The anon or sugar apple is a species of the Annona genus, widely distributed in the world and in Colombia and a fruit with great potential in domestic and international markets. However, the technical information related to the aspects of propagation and
Fabio Ernesto Martínez-Maldonado +2 more
doaj
Escribir en comunidad: Construcción de relaciones y responsabilidad en la producción de conocimiento
American Anthropologist, Volume 127, Issue 3, Page 447-465, September 2025.ABSTRACT As anthropology reckons with its past, present, and future, anthropologists increasingly seek to challenge inequities within the discipline and academia more broadly. Anthropology, regardless of subdiscipline, is a social endeavor. Yet research often remains an isolating (though not necessarily solitary) process, even within research teams and
Jordi Armani Rivera Prince +16 more
wiley +1 more source
Cumarinas en las raices de angostura nicaraguensis (Standley, L.D. Williams) Elias
Uniciencia, 1992 No ...
Carlos Hasbun Pacheco +2 more
doaj