Results 81 to 90 of about 25,256 (265)

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz   +2 more
wiley   +1 more source

Sistemas de control híbrido [PDF]

open access: yes, 2019
La presente tesis se orienta a la producción limpia de H<SUB>2</SUB> a partir de sistemas de conversión de energía solar y eólica. Se analizan configuraciones de SGRHs (Sistemas de Generación Renovable de Hidrogéno), autónomas y asistidas por red, cuyo objetivo principal es el suministro adecuado de potencia al electrolizador.
openaire   +3 more sources

Exploring eco‐evolutionary and temporal patterns of arbuscular mycorrhizal fungal communities colonizing Sorghum bicolor across sites of contrasting land use history and climate

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Sorghum bicolor is a globally important cereal crop with annual yields exceeding 50 million tons across more than 100 countries and can be grown on marginal lands where conventional agriculture is limited. We examined how eight genetically diverse sorghum genotypes shaped arbuscular mycorrhizal fungal (AMF) community assembly across two contrasting ...
Philip Brailey‐Crane   +8 more
wiley   +1 more source

Management and incipient domestication of Chamaedorea tepejilote in agroforestry systems in Mexico

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Native wild plants are key elements in addressing global biodiversity loss and supporting sustainable food systems. We investigated how rural communities in Mexico manage Chamaedorea tepejilote, a wild palm with edible male inflorescences, by combining ethnobotanical, genetic, morphological and ecological approaches.
Viviana Andrade   +7 more
wiley   +1 more source

Electrical energy conversion system design with single-phase inverter and H5 transformerless topology

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2014
Este artículo presenta el diseño de un sistema de conversión de energía eléctrica (SCEE) para el aprovechamiento de energía solar y luego acondicionamiento e inyección de energía a la red eléctrica comercial.
Luis Gerardo González-Morales   +3 more
doaj  

Soil health assessment using buried cotton underpants with the help of 1000 citizen scientists

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Soil is a vital resource for life on Earth. Although many soils are degraded, societal awareness of soil‐related issues is limited. To highlight soil as a key resource and fascinating study system, we initiated a citizen science project together with 1000 participants investigating soil health across Switzerland using buried cotton underpants.
S. Franz Bender   +258 more
wiley   +1 more source

Directive Antenna Clutter Loss in Slant Paths

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This paper investigates the development of a clutter loss model specifically for slant paths involving directive antennas. Conventionally, clutter loss is characterized by using isotropic antennas to facilitate standard link budget calculations via single antenna gain values.
Fernando Pérez Fontán   +4 more
wiley   +1 more source

Le Commissaire à la déontologie policière du Québec : qu’est-ce qui influence le processus de traitement des plaintes citoyennes ?

open access: yesCriminologie
Au Québec, les policiers occupent des fonctions définies par la loi et doivent respecter des normes déontologiques claires prescrites par le Code de déontologie des policiers du Québec.
Rémi Boivin   +3 more
doaj   +1 more source

El papel de las palancas de control gerencial en el marketing digital: un estudio exploratorio

open access: yesRevista CEA
Objetivo: este artículo tuvo el objetivo de explorar la relación entre los sistemas de control gerencial y los resultados de las actividades de marketing digital, considerando su papel en la efectividad promocional. Diseño/Metodología: se llevó a cabo un
Paola Andrea Ortiz-Rendón   +1 more
doaj   +1 more source

Business Model and Sustainable Development Goals for an Innovative Agricultural Waste Management: Distributed Biogas Production

open access: yesSustainable Development, EarlyView.
ABSTRACT Technological progress and population growth have increased global pork demand; leading to a rise of methane emission from pig farming, a key contributor to climate change. Anaerobic digestion offers a sustainable solution by converting manure into biogas.
María‐Pilar Martínez‐Hernando   +5 more
wiley   +1 more source

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