Libro-Agroecologia

Bibliografía323Busch, L., and W. B. Lacy. 1983. Science, Agriculture and the Politics of Research. Boulder:Westview Press.Buschbacher, R., C. Uhl, and E. Serrao. 1988. Abandoned pastures in eastern Amazonia (Brazil).II. Nutrient stocks in the soil and vegetation. J. Ecology 76: 682 699.Buttel, F. H. 1980a. «Agriculture, environment and social change: some emergent issues.» In: TheRural Sociology of the Advanced Societies. F. H. Buttel and H. Newby, eds. New Jersey:Allenheld, Osmun and Co. pp. 453 488.Buttel, F. H. 1980b. Agricultural structure and rural ecology: toward a political economy of ruraldevelop- ment. Sociologia Ruralis 20: 44 62.. 1986. Biotechnology and the future of agricultural research in Latin America. Seminar sobreTemas Priontarios. Cali, Colombia.Bye, R. A. 1981. Quelites ethnoecology of edible greens. J. Ethnobiology 1: 109 119.Byerlee, D., M. Collinson, R. Perrin, D. Winkelman, and S. Biggs. 1980. Planning TechnologiesAppro- priate to Farmers. Mexico: CIMMYT.Cambardella, C. A., and E. T. Elliott. 1992. Particulate soil organic matter changes across agrassland cultivation sequence. Soil Sci. Soc. Am. J. 56: 777 783.Campbell, R. 1989. Biological Control of Microbial Plant Pathogens. Cambridge: CambridgeUniversity Press.Carson, R. 1964. The Silent Spring. New York: Fawcett.Centro de Educacion y Tecnologia (CET). 1983. La Huerta Campesino Organico. Chile: Inst.Estudios y Publicaciones Juan Gynacio Molina.Chacon, J. C., and S. R. Gliessman. 1982. Use of the «non-weed» concept in traditional tropicalagroeco- systems of southeastern Mexico. Agroecosystems 8: 1 11.Chambers, R. 1983. Rural Development: Putting the Last First. London: Longman.Chambers, R., and B. P. Ghildyal. 1985. Agricultural research for resource- poor farmers: thefarmer first and last. Agri. Admin. 20: 1 30.Chang, J. H. 1968. Climate and Agriculture. Chicago: Aldine Pub. Co.Chapko, L. B., M. A. Brinkman, and K. A. Albrecht. 1991. Oat, oat-pea, barley, and barley pea forforage yield, forage quality, and alfalfa establishment. J. Prod. Agric. 4: 486 491.Charreau, C., and P. Vidal. 1965. Influence de l’Acacia albida Del. sur le sol, nutrition minerale etren- dements des mils Pennisetum au Senegal. Agronomie Tropicale 20: 600 626.Chen, Y., and T. Aviad. 1990. «Effects of humic substances on plant growth.» In: Humic Substancesin Soil and Crop Sciences: Selected Readings. P. MacCarthy, C. E. Clapp, R.L. Malcolm, andP. R. Bloom, eds. Wisconsin: Amer. Soc. Agronomy. pp. 161 186.Christianty, L., O. S. Abdoellah, G. G. Marten, and J. Iskander. 1985. «Traditional agroforestry inWest Java: the Pekarangan (home garden) and Kebun-Talun (Annual perennial rotationcropping systems).» In: Traditional Agriculture in Southeast Asia: A Human Ecology Perspective.G. Marten, ed. Boulder: Westview Press.Christensen, B. T. 1992. Physical fractionation of soil and organic matter in primary particle sizeand density separates. Adv. in Soil Sci. 20: 2 90.Clawson, D. L. 1985. Harvest security and intraspecific diversity in traditional tropical agriculture.Econ. Bot. 39: 56 67.Coleman, E. 1989. The New Organic Grower. Vermont: Chelsea Green.Collins, H. P., P. E. Rasmussen, and C. L. Douglas, Jr. 1992. Crop rotation and residue managementeffects on soil carbon and microbial dynamics. Soil Sci. Soc. Am. J. 56: 783 788.Combe, J., and G. Budowski. 1979. «Classification of agroforestry techniques.» In: Proc. Symposiumon Agroforestry Systems in Latin America. G. de las Salas, ed. Costa Rica: CATIE.Conklin, H. C. 1956. Hananoo Agriculture. Rome: FAO.. 1972. Folk Classification, a Topically Arranged Bibliography. New Haven: Yale University,Dept. Anthropology.. 1979. «An ethnoecological approach to shifting agriculture.» In: Environmental and CulturalBehavior. A. P. Nayda, ed. New York: The Natural History Press.Contreras, A. M. 1987. Germoplasma chileno de papas (Solanum spp.) Anales Simposio RecursosFitogeneticos. UACH-IBPGR, Vadivia.