13.07.2015 Views

Libro-Agroecologia

Libro-Agroecologia

Libro-Agroecologia

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

334Agroecología: Bases científicas para una agricultura sustentablePutnam, A. R., and J. DeFrank. 1983. Use of phytotoxic plant residues for selective weed control.Crop Protection 2: 173 181.Putnam, A. R., and W. B. Duke. 1978. Allelopathy in agroecosystems. Annu. Rev. Phytopathol. 16:431 451.Pyndji, M. M., and P. Trutmann. 1992. Managing angular leaf spot on common bean in Africa bysupple- mentary farmer mixtures with resistent varieties. Plant Disease 76: 1144 1147.Rabb, R. L., R. E. Stinner, and R. van den Bosch. 1976. «Conservation and augmentation of naturalenemies.» In: Theory and Practice of Biological Control. C. B. Huffaker, and P. Messenger,eds. New York: Academic Press. pp. 233 254Radke, J. K., and R. T. Hagstrom. 1976. «Strip intercropping for wind protection.» In: MultipleCropping. R. I. Papendick, P. A. Sanchez, and G. B. Triplett, eds. Wisconsin: Amer. Soc.Agron.Radosevich, S. R., and J. S. Holt. 1984. Weed Ecology: Implications for Vegetation Management.New York: John Wiley and Sons.Raeburn, J. R. 1984. Agriculture: Foundations, Principles and Development. New York: JohnWiley and Sons.Raintree, J. B., and A. Young. 1983. «Guidelines for agroforestry diagnosis and design.» ICRAFWorking Paper No.6 Nairobi, Kenya.Rao, M. R., and R. W. Willey. 1980. Evaluation of yield stability in intercropping: studies onsorghum/ pigeon pea. Exper. Agri. 16: 105 116.Rayburn, E. 1988. The Seneca Trail Pasture Plate for Estimating Forage Yield. New York: SenecaTrail Research and Development, Mimeo.Redclift. M., and D. Goodman. 1991. « The machinery of hunger: the crisis of Latin American foodsystems.» In: Environment and Development in Latin America. D. Goodman and M. Redclift,eds. UK: Manchester Univ. Press.Reddy, M. S., and R. W. Willey. 1981. Growth and resource use studies in an intercrop of pearlmillet/ groundnut. Field Crops Res. 4: 13 24.Reganold, J. P., L. F. Elliott, and Y. L. Unger. 1987. Long term effects of organic and conventionalfarming on soil erosion. Nature 330: 370 372.Reganold, J. P., R. I. Papendick, and J. F. Parr. 1990. Sustainable agriculture. Scientific American262(6): 112 115, 118 120.Reicosky, D. C., and M. J. Lindstrom. 1994. Fall tillage method: effect on short term carbon dioxideflux from soil. Agron. J. 85: 1237 1243.Reinbott, T. M., Z. R. Helsel, D. G. Helsel, M. R. Gebhardt, and H. C. Minor. 1987. Intercroppingsoybean into standing green wheat. Agron. J. 79: 886 891.Rhoades, R. E., and R. Booth. 1982. Farmer back to farmer: a model for generating acceptableagricultural technology. Agri. Admin. 11: 127 137.Richards, A. 1939. Land, Labor and Diet in Northern Rhodesia. London: Routledge and KeganPaul.Richards, P. 1985. Indigenous Agricultural Revolution: ecology and food production in WestAfrica. Boulder: Westview Press.. 1986. Coping with Hunger: Hazard and Experiment in African Rice Farming. Boulder: WestviewPress.. 1981. Insect herbivore abundance in tropical monocultures and polycultures: an experimental testof two hypotheses. Ecology 62: 1325 1340.Risch, S. J. 1983. Intercropping as cultural pest control: prospects and limitations. Envir. Manage.7(1): 9 14.Risch, S. J., D. Andow, and M. A. Altieri. 1983. Agroecosystem diversity and pest control: data,tentative conclusions and new research directions. Env. Entomol. 12: 625 629.Roberts, B. 1992. Land Care Manual. Kensington, Australia. New South Wales University Press.Root, R. B. 1973. Organization of a plant arthropod association in simple and diverse habitats: thefauna of collards (Brassica oleracea). Ecol. Monogr. 43: 95 124.Rosset, P., and M. Benjamin. 1993. «Two steps backward, one step forward: Cuba’s nationwideexperiment with organic agriculture.» Global Exchange, San Francisco.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!