Zobrazeno 1 - 10
of 151
pro vyhledávání: '"David Valdez-Cepeda"'
Publikováno v:
Terra Latinoamericana, Vol 39, Iss 0, Pp 1-8 (2021)
Para juzgar el impacto y la relevancia de los resultados del quehacer científico, las y los investigadores son sometidos a procesos de evaluación en los que se involucran registros de publicaciones y las citas correspondientes. Para ello, algunos
Externí odkaz:
https://doaj.org/article/3b9ad620c8cf47d7960f27f8526e2c2b
Autor:
Jazmín A. Ávila-Treviño, Jesús G. Arreola-Ávila, José L. Rodríguez-de la O, Ricardo Trejo-Calzada, David Valdez-Cepeda, Amparo Borja-de la Rosa
Publikováno v:
Revista Chapingo: Serie Ciencias Forestales y del Ambiente, Vol 19, Iss 3, Pp 469-481 (2013)
Las respuestas embriogénicas y organogénicas en nogal (Carya illinoinensis [Wangenh] K. Koch) se observaron bajo el cultivo in vitro de segmentos de hojas, yemas axilares y embriones cigóti- cos. El necrosamiento se controló empleando carbón act
Externí odkaz:
https://doaj.org/article/d11dc6e0e9fd4736a6d60d4dc3fa12d7
Autor:
del Rosario Jacobo-Salcedo, M.1,2, David Valdez-Cepeda, R.3, Sánchez-Cohen, I.2, González-Espíndola, L. Á.1, Arreola-Ávila, J. G.1, Trejo-Calzada, R.1 rtrejo@chapingo.uruza.edu.mx
Publikováno v:
Agronomy Research. 2024 Special Issue, Vol. 22, p685-702. 18p.
Autor:
Fidel Blanco-Macías, Jesús Salvador Rodríguez-Barrientos, Miguel Márquez-Madrid, Alfredo Lara-Herrera, José Hernández-Martínez, Ricardo David Valdez Cepeda
Publikováno v:
Journal of the Professional Association for Cactus Development. 24:272-292
The current state of knowledge on Opuntia ficus-indica nutrient requirements has important limitations. Macro-nutrient mean concentrations proposed as standards do not consider balances between (or among) elements, and the available compositional nut
Autor:
Rafael Magallanes-Quintanar, Carlos Eric Galván-Tejada, Jorge Isaac Galvan-Tejada, Santiago de Jesús Méndez-Gallegos, Fidel Blanco-Macías, Ricardo David Valdez-Cepeda
Publikováno v:
Agrociencia.
Some of the effects of climate change may be related to a change in patterns of rainfall intensity or rainfall scarcity. So, humanity is facing environmental challenges due to an increase in the occurrence of droughts. Forecasting of droughts based o
Autor:
Juan Arredondo-Valdez, Alejandro Isabel Luna-Maldonado, Ricardo David Valdez-Cepeda, Humberto Rodríguez-Fuentes, Juan Antonio Vidales-Contreras, Uziel Francisco Grajeda-González, Héctor Flores-Breceda
Publikováno v:
Journal of Experimental Biology and Agricultural Sciences. 10:335-343
Mexico is the world's leading producer of Opuntia ficus-indica. This kind of prickly pear is the most widespread and most commercially important cactus in Mexico. Morphological and colorimetric descriptors are among the most important agronomic trait
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Autor:
Gabriel de Jesús Peña-Uribe, Ricardo David Valdez-Cepeda, Oscar Valdivia-Martínez, Armando López-Santos
Publikováno v:
Seed Science and Technology. 49:247-260
Ricinus communis yields oilseeds of great commercial importance to industry. The aim of this study was to generate morphometric information on seed size and shape of wild castor bean accessions collected in the Durango State's arid zone, Mexico. Biva
Autor:
Tania S. Alatriste-Jiménez, Fidel Blanco-Macías, Catarina Loredo-Osti, Sergio Beltrán-López, José Luis Lara-Mireles, Ricardo David Valdez Cepeda
Publikováno v:
Journal of the Professional Association for Cactus Development. 23:150-164
Optimum concentrations and/or sufficiency ranges of nutrients are useful for correct diagnosis and improvements of nutrient status of cultivated plants. However, Opuntia ficus-indica nutrient storage at plant and cladode levels and best fit plant req
Autor:
Marín Pompa-García, José Alexis Martínez-Rivas, Ricardo David Valdez-Cepeda, Carlos Arturo Aguirre-Salado, Dante Arturo Rodríguez-Trejo, Liliana Miranda-Aragón, Felipa de Jesús Rodríguez-Flores, Daniel José Vega-Nieva
Publikováno v:
Forests; Volume 13; Issue 11; Pages: 1901
Fire modifies vegetation dynamics in terrestrial ecosystems. Abundant literature has studied the post-fire effects with satellite sensors; however, relatively fewer studies have used unmanned aerial vehicles (UAVs) to assess the dynamics of greenness