Results 1 to 10 of about 2,288,615 (288)
História da Educação, 2011 NOTAS SOBRE A HISTORIOGRAFIA DA EDUCAÇÃO RURAL NO MÉXICOResumoNeste artigo, faço uma revisão geral da historiografia acerca da educação rural, promovida após a Revolução de 1910, no México. Inicialmente, analiso a política educativa e, posteriormente, o
Alicia Civera, Mexico
doaj
GENOTYPE-ENVIRONMENT INTERACTION TO THE YIELD STABILITY IN WHEAT IN MEXICALI, B.C., MÉXICO REGION
Tropical and Subtropical Agroecosystems, 2011  With the finality to evaluate yield stability of varieties of wheat Cachanilla F-2000 (C), Yécora F-70 (Y) and Triguenio F-00 (TR), in El Valle de Mexicali, Baja California, under four environments of test, using the using the additive main effects and multiplicative interaction model (AMMI), was developed trials during the period from 2007 to 2008,
Edgar Omar Rueda Puente +5 more
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Tropical and Subtropical Agroecosystems, 2010 The improvement, conservation and propagation of Yucca have high perspectives in the North of México; due it is an important ornamental plant, endemic of the Comarca Lagunera. This study was developed in 2007 in natural populations of blue palm (Yucca rigida) in the municipality of MapimÃ, Durango, México.
A. Flores +7 more
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Tropical and Subtropical Agroecosystems, 2012 <p>The objective of this research was to characterize the pattern of spatial structure of a <em>Pinus hartwegii</em> forest in the Sierra Madre Oriental, affected by a fire in 1998. Sampling was stratified by fire severity. Three fire severity classes were defined based on the degree of crown consumption (low, medium and high).
Diana Yemilet Avila Flores +5 more
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LOS AGROECOSISTEMAS TRADICIONALES EN LA PRODUCCIÓN DE FORRAJE EN EL SUROESTE DE TLAXCALA, MÉXICO
Tropical and Subtropical Agroecosystems, 2010 Se describe cómo los productores agropecuarios del suroeste del estado de Tlaxcala, México mediante un conocimiento ancestral de su ecosistema, han podido adaptar los recursos de que disponen a las condiciones cambiantes de los albores del siglo XXI.
Benito Ramirez Valverde +3 more
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Tropical and Subtropical Agroecosystems, 2012 Los antihelmÃnticos formulados con ivermectina, se utilizan en los sistemas ganaderos de México. Sin embargo no se ha determinado su efecto sobre la abundancia, disposición espacio-temporal de los escarabajos coprófagos. Para estimar estos efectos, se realizaron colectas mensuales de julio del 2008 a junio del 2009, en un pastizal del centro de ...
Carolina Flota-Bañuelos +5 more
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Tropical and Subtropical Agroecosystems, 2011 El objetivo del trabajo fue obtener Ãndices de fragilidad del paisaje  (IFP) como una forma de proporcionar datos confiables para el uso sostenible del suelo en la Cuenca Coatepec- La Antigua, Veracruz, México. Se incorporó un transecto altitudinal de colecta de datos de paisaje, desde los 3200 m en la cara oriental del cofre de Perote, hasta el ...
Ana Lid Del Angel-Pérez +3 more
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HONGOS MICORRIZÓGENOS ARBUSCULARES ASOCIADOS A LA VEGETACIÓN COSTERA EN CHUBURNÁ, YUCATÁN, MÉXICO
Tropical and Subtropical Agroecosystems, 2013 <p>Plant species that successfully establish in environments of recent formation, such as barrier islands, exhibit life history traits that allow them to efficiently capture nutrients and water, such ability may be largely due to interactions these plants establish with mutualistic arbuscular mycorrhizal fungi (AMF).
Patricia Guadarrama +4 more
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