Libro-Agroecologia

326Agroecología: Bases científicas para una agricultura sustentableFlaherty, D. 1969. Ecosystem trophic complexity and the Willamette mite, Eotetranychus willamettei(Acarine: Tetranychidae) densities. Ecology 50: 911 916.Fletcher, N. H. 1982. Simplified Theoretical Analysis of the Pasture Meter Sensing Probe.Australian Animal Res. Lab. Technical Paper. Australia: Commonwealth Scientific and IndustrialResearch Organization.Frame, J. 1981. «Herbage mass.» In: Sward Measurement Handbook. J. Hodgson, R. D. Baker, A.Dvies, A. S. Laidlaw, and J. D. Leaver, eds. England: British Grassland Society.Francis, C. A., ed. 1986. Multiple Cropping Systems. New York: MacMillan.Francis, C. A., and M. D. Clegg. 1990. «Crop rotations in sustainable production systems.» In:Sustainable Agricultural Systems. C. A. Edwards, R. Lal, P. Madden, R. H. Miller, and G. Haus,eds. Iowa: Soil and Water Conservation Society.Francis, C. A., C. A. Flor, and S. R. Temple. 1976. «Adapting varieties for intercropped systemsin the tropics.» In: Multiple Cropping. R. I. Papendick, P. A. Sanchez, and G. B. Triplett, eds.Wisconsin: Publ. 27. Amer. Soc. Agron. pp. 235 254.Francis, C., A. Jones, K. Crookston, K. Wittler, and S. Goodman. 1986. Strip cropping corn andgrain legumes: a review. Amer. J. Alter. Agric. 1: 159 164.Francis, C. A., and J. H. Sanders. 1978. Economic analysis of bean and maize systems: monocultureversus associated cropping. Field Crops Res. 1: 319 335.Gade, D. W. 1975. Plants, Man and the Land in the Vilcanota Valley of Peru. The Hague: W. Junk,Publ.Gasto, J. and J. M. Gasto. 1970. Uso de la tierra. El Campesino. Santiago, Chile . pp. 34 50.Gasto, J. C. 1980. Ecologia: el hombre y las transformacion de la naturaleza. Chile: Universitaria,Santiago.Geertz, C. 1962. Agricultural Involution. Berkeley: Univ. of Calif. Press.Ghersa, C. M., and M. L. Roush. 1993. Searching for solutions to weed problems. Bioscience 43:104 109.Ginzburg, C. 1983. The Night Beetles: Witchcraft and Agrarian Cults in the sixteenth andSeventeenth Centuries. London: Routledge and Kegan Paul.Gliemeroth, G. 1950. Untersuchungen uber die einspritzung von speirserb-sen. Zeitschrift. Ackerund Pflanz. 91: 519 544.Gliessman, S. R. 1982a. «Allelopathic interactions in crop/weed mixtures: applications for weedmanage- ment.» Paper presented: North American Symposium on Allelopathy. Nov. 14 17,1982. Univiversity of Illinois, Champaign Urbana.. 1982b. «The agroecosystem: an integrative focus for the study of agriculture» (unpubl. man.).. 1990. Agroecology: Researching the Ecological Basis for Sustainable Agriculture. EcologicalStudies 78. New York: Springer Verlag.Gliessman, S. R., E. R. Garcia, and A. M. Amador. 1981. The ecological basis for the applicationof traditional agricultural technology in the management of tropical agro-ecosystems. Agroecosystems 7: 173 185.Glover, N. and J. Beer. 1986. Nutrient cycling in two traditional central American agroforestrysystems. Agrofor. Syst. 4: 77 87.Gold, C. S. 1987. «Crop diversification and tropical herbivores: effects of intercropping and mixedvarieties on the cassava whiteflies, Aleurotrachelus socialis and Trialeurodes variabilis inColombia.» Ph.D. dissertation, University of California at Berkeley, CA. 362 pp.Gomez, A. A., and K. A. Gomez. 1983. Multiple Cropping in the Humid Topics of Asia. Inter. Dev.Res. Cen., Ottawa, Canada.Gomez, K. A., and A. A. Gomez. 1984. Statistical Procedures for Agricultural Research. NewYork: Academic Press.Gow, D., and J. Van Sant. 1983. Beyond the rhetoric of participation. World Development 11(5):427 446.Graham, D. 1984. Undermining Rural Development with Cheap Credit. Boulder: Westview Press.Grigg, D. B. 1974. The Agricultural Systems of the World. London: Cambridge Univ. Press.Grivetti, L. E. 1979. Kalahari agro-pastoral hunter-gatherers: the Tswana example. Ecol. Food andNutrition 7: 235 256.