Results 111 to 120 of about 7,185 (302)
American Journal of Agricultural Economics, EarlyView.Abstract This study develops and empirically estimates a structural framework to decompose the causal pathways of multilevel behavioral interventions targeting adolescent health behaviors. We apply this framework to the Kids SIPsmartER (KSS) program, a 6‐month, school‐based intervention evaluated through a clustered randomized controlled trial in rural
Naveen Abedin +5 more
wiley +1 more source
Boletín del Museo Chileno de Arte Precolombino, 2010 Presentamos análisis técnicos y estilísticos de discos metálicos procedentes de Tilcara (provincia de Jujuy) y asignados a los momentos de contacto con el español (ca. 1535-1650). Evaluamos los cambios y las continuidades estilísticas y, en menor medida,
Geraldine Gluzman
doaj
Choix des variétés et techniques culturales pour la tomate
, 1974 National ...
Anais, Guy, Daly, P.
openaire +2 more sources
, 1975 Miquel André. Lucie BOLENS, Les méthodes culturales au Moyen Âge d'après des traités d'agronomie andalous : traditions et techniques, thèse de 3e Cycle (Paris I). In: Annales. Économies, Sociétés, Civilisations. 30ᵉ année, N. 5, 1975. pp.
Miquel, André
core
Food insecurity and unemployment among immigrants in the United States
American Journal of Agricultural Economics, EarlyView.Abstract Immigrants can be more vulnerable to economic downturns and, during periods of economic hardship, more likely to experience food insecurity compared to natives. This study examines the differential effect of the unemployment rate on the probability of being food insecure among diverse groups of immigrant households relative to natives in the ...
Siwen Zhou +3 more
wiley +1 more source
Contribution à l'étude des techniques culturales chez le manioc
, 1961 La culture du manioc revêt le plus souvent un aspect primitif dans les zones septentrionales de l'ouest africain. La relative facilité technique de cette spéculation, son bas prix de revient et les rendements élevés obtenus font d'elle une culture pionnière, qui précède l'installation plus longue et plus coûteuse de vergers ou de cultures maraichères :
Tardieu, M., Fauché, J.
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, 1992 Sur les 200 clones de caféiers Robusta introduits ou repérés au Cameroun, le programme de sélection végétative a conduit au choix de 12 clones, parmi lesquels 8 sont diffusés dans les régions de l'ouest, et 8 dans les régions de l'est.
Bouharmont, Pierre, Awemo, J.
core
American Journal of Agricultural Economics, EarlyView.Abstract Discrete choice experiments are increasingly being used to estimate land managers' willingness to accept participation in incentive‐based environmental programs. This is a specific application of discrete choice experiments: the estimation of willingness to accept for a private good (program participation) where respondents have to make trade ...
Anastasio J. Villanueva +2 more
wiley +1 more source
Evolution des techniques culturales en zone cotonnière du Mali entre 1994 et 2002
, 2005 Depuis le début des années 90, on constate une baisse des rendements cotonniers au Mali. Plusieurs explications à cette baisse tendancielle ont été proposées.
Sissoko, Fagaye +3 more
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Neighborhood social environments and mental health among youth and adults in public housing
American Journal of Community Psychology, EarlyView.Abstract Neighborhoods influence health in part through social processes. However, little is known about how multiple neighborhood social processes co‐occur, or about within (vs. between) neighborhood variation in social processes and health. This study asked how residents of a large public housing development describe their neighborhood and used ...
Jane Leer +3 more
wiley +1 more source