REGALADO LÓPEZ, JOSÉ; PÉREZ RAMÍREZ , NICOLAS; MENDEZ ESPINOZA , JOSE ARTURO; RAMÍREZ , JAVIER (2013)
In Tlaltenango, Puebla, Mexico, in 1967 were obtained up to 600 kg/ha of maize, this enough to meet the food needs of the family. Starting this year, with the implementation of an innovation strategy is able to increase ...