Libro-Agroecologia

328Agroecología: Bases científicas para una agricultura sustentableHuffaker, C. B., and P. S. Messenger. 1976. Theory and Practice of Biological Control. New York:Academic Press.Huxley, P. A. 1983. Plant Research and Agroforestry. Nairobi: ICRAF. International CropsResearch Institute for the Semi-Arid Tropics (ICRISAT). 1981. Proc. Inter. Workshop onIntercropping, 10 13 Jan. 1979. Hyderabad, India.ICRISAT. 1984. Annual Report for 1983. Patencheru, India.Irvine, D. 1987. «Successional processes.» In: Indigenous Land Management Among NativeAmazonians. New York: New York Botanical Garden.Izaurralde, R. C., N. G. Juma, and W. B. McGill. 1990. Plant and nitrogen yield of barley-field peaintercrop in cryoboreal-subhumid central Alberta. Agron. J. 82: 295 301.Janzen, D. H. 1973. Tropical agroecosystems. Science 182: 1212 1219.Janzen, H. H., C. A. Campbell, S. A. Brandt, G. P. Lafond, and L. Townley- Smith. 1992. Lightfractionorganic matter in soils from long-term crop rotations. Soil Sci. Soc. Am. J. 56: 17991806.Jawson, M. J., A. J. Franzluebbers, D. K. Galusha, and R. M. Aiken. 1994. Soil fumigation withmono- culture and rotations: response of corn and mycorrhizae. Agron. J. 85: 1174 1180.Jodha, N. S. 1981. «Intercropping in traditional farming systems.» In: Proc. Int. Workshop on Intercropping,10 13 Jan. 1979. India: ICRISAT.Johnston, H. W., S. B. Sanderson and J. A. MacLeod. 1978. Cropping mixtures of field peas andcereals in Prince Edward Island. Canad. J. Plant Sci. 58: 421 426.Johnston, H. W., S. B. Sanderson, and J. A. MacLeod. 1978. Cropping mixtures of field peas andcereals in Prince Edward Island. Canadian J. Plant Sci. 58: 421 426.Jordan, C. 1985. Nutrient Cycling in Tropical Forests. New York: John Wiley and Sons.Kang, B. T., G. F. Wilson, and T. L. Lawson. 1984. Alley Cropping: A Stable Alternative to ShiftingCultivation. Nigeria: International Institute Tropical Agriculture.Kapoor, P., and P. S. Ramakrishnan. 1975. Studies on crop-legume behavior in pure and mixedstands. Agro-ecosystems 2: 61 74.Kasasian, L., and J. Seeyave. 1969. Critical periods for weed competition. PANS 15(2): 208 212.Kass, D. C. L. 1978. Polyculture Cropping Systems: Review and Analysis. Cornell Inter. Agric. Bul.32. N. Y. State Coll. Agric. Life Sci., Cornell Univ., Ithaca, New York.Kenny, M., and F. H. Buttel. 1984. «Biotechnology: Prospects and Dilemmas for Third WorldDevelo- pment.» Paper presented: The Right To Food. Concordia University, Montreal,Canada.Ketcheson, J. W. 1980. Long-range effects of intensive cultivation and monoculture on the qualityof southern Ontario soils. Can. J. Soil Sci. 60: 403 410.King, C. G. 1978. Ecology and Change: Rural Modernization in an African Community. New York:Academic Press.King, F. H. 1927. Farmers of Forty Centuries. London: Cape.Kirchner, M. J., A. G. Wollum II, and L. D. King. 1993. Soil microbial populations and activitiesin reduced chemical input agroecosystems. Soil Sci. Soc. Am. J. 57: 1289 1295.Klages, K. H. W. 1928. Crop ecology and ecological crop geography in the agronomic curriculum.J. Am. Soc. Agron. 20: 336 353.. 1942. Ecological Crop Geography. New York: MacMillan.Klee, G. A. 1980. World Systems of Traditional Resources Management. New York: John Wileyand Sons.Knight, C. G. 1980. «Ethnoscience and the African farmer: rationale and strategy.» In: IndigenousKnow- ledge Systems and Development. D. Broken-shaw et al., eds. Maryland: Univ. Press ofAmerica.Kogan, M. 1986. Ecological Theory and Integrated Pest Management Practice. New York: JohnWiley and Sons.Korte, C. J., A. C. P. Chu, and T. R. O. Field. 1987. «Pasture production.» In: Feeding Livestockon Pasture. A. M. Nicol, ed. Hamilton: New Zealand Soc. Animal Production.Krantz, B. A. 1981. «Intercropping on an operational scale in an improved farming system.» In:Proc. Inter. Workshop on Intercropping, 10 13 Jan. 1979. India: ICRISAT.