Libro-Agroecologia

Bibliografía329Krantz, B. A., and Associates. 1974. «Cropping patterns for increasing and stabilizing agriculturalpro- duction in the semi-arid tropics.» In: Inter. Workshop on Farming Systems. India:ICRISAT.Kuhn, T. 1979. «The Relationship Between History and History of Science.» In: Interpretive SocialScience. R. Rabinow and W. Sullivan, eds. Berkeley: Univ. Calif. Press.Kunelius, H. T., H. W. Johnston, and J. A. MacLeod. 1992. Effect of undersowing barley withItalian ryegrass or red clover on yield, crop composition and root biomass. Agric., Ecosyst.,Environ. 38: 127 137.Kurin, R. 1983. Indigenous agronomics and agricultural development in the Indus Basin. HumanOrganiz. 42(4): 283 294.LACDE (Latin American Commission on Development and Environment.) 1990. Our OwnAgenda. New York: Inter-American Development Bank-UNEP.Lacroix, R. L. J. 1985. Integrated Rural Development in Latin America. World Bank Staff WorkingPaper No. 716. Washington, D. C.: The World Bank.Lal, R. 1980. «Soil erosion as a constraint to crop production.» In: Priorities for Alleviating SoilrelatedConstraints to Food Production in the Tropics. Philippines: IRRI.Lal, R., E. Regnier, D. J. Exkert, W. M. Edwards, and R. Hammond. 1991. Expectations of covercrops for sustainable agriculture. In: Cover Crops for Clean Water. W. L. Hargrove, ed. pp. 114. Soil and Water Conservation Soc. Iowa.Langley, J. A., E. O. Healy, and K. D. Olson. 1983. The macro implications of a completetransformation of U.S. agricultural production to organic farming practices. Agric. Ecosyst.Environ. 10: 323 334.Larios, J. F. 1976. «Epifitiologia de algunas enfermedades foliares de la yuca en diferentes sistemasde cultivo.» M.S. thesis. UCR/CATIE. Turrialba, Costa Rica.Lavelle, P., and B. Pashanasi. 1989. Soil macrofauna and soil management in Peruvian Amazonia.Pedobiologia 33: 282 291.Leach, G. 1976. Energy and Food Production. Guilford: IPC Science and Tech-nology Press.Lee, Y. S., and R. J. Bartlett. 1976. Stimulation of plant growth by humic substances. Soil Sci. Soc.Am. J. 40: 876 879.Leihner, D. 1983. Management and Evaluation of Intercropping Systems with Cassava. Colombia:CIAT.Lentz, D. I. 1986. Ethnobotany of the Jicaque of Honduras. Econ. Bot. 40: 210 219.Levins, R. 1973. Fundamental and applied research in agriculture. Science 181: 523 524.Levins, R., and M. Wilson. 1979. Ecological theory and pest management. Ann. Rev. Entomol. 25:7 19.Lewis, C. E., G. W. Barfon, W. G. Monson, and W. C. McCormick. 1984. Integration of pines,pastures and cattle in South Georgia, U.S.A. Agrofor. Syst. 1: 277 297.Lewis, J. K. 1959. The ecosystem concept in range management. Am. Soc. Range Manage. Abstr.12: 23 25.Lewis, R,. and R. Lewontin. 1985. The Dialectical Biologist. Massachusetts: Harvard Univ. Press.Liebman, M. 1988. «Ecological suppression of weeds in intercropping systems: a review.» In: WeedManagement in Agroecosystems: Ecological Approaches. Altieri, M. A., and M. Liebman, eds.Florida: CRC Press.Liebman, M. 1989. Effects of nitrogen fertilizer, irrigation, and crop genotype on canopy relationsand yields of an intercrop/weed mixture. Field Crops Res. 22: 83 100.Liebman, M., and E. Dyck. 1993. Crop rotation and intercropping strategies for weed management.Ecolological Applications 3: 92 122.Lightfoot, C. 1990. Integration of aquaculture and agriculture: a route to sustainable farmingsystems. Naga, the ICLARM Quarterly 13: 9 12.Lightfoot, C., M. V. Gupta, and M. Ahmed. 1992. Low external input sustainable aquaculture forBangladesh an operational framework. Naga, the ICLARM Quarterly 15: 9 12.Litsinger, J. A., and K. Moody. 1976. «Integrated pest management in multiple cropping systems.»In: Multiple Cropping. P. A. Sanchez, ed. Wisconsic: Amer. Soc. Agron. Spec. Pub. No. 27. pp.293 316.