TY - SUM AU - Aragón, F. AU - Paredes Hernandez, E. AU - Castro,H. AU - Taba,S. AU - Díaz, J. TI - Conservation in situ and improvement of milpas in the sierra norte of Oaxaca, Mexico PY - 2000/// CY - California (USA) PB - University of California KW - Cropping systems KW - AGROVOC KW - Cultivation KW - Food production KW - Genetic variation KW - Maize KW - Natural resources KW - Plant production N1 - Abstract only T2 - Scientific basis of participatory plant breeding and conservation of genetic resources, Oaxtepec, Morelos, Mexico, October 8–14, 2000. Abstracts. Report No. 25 ER -