B. R. McKee. Archaeology, volcanism, and remote sens-
ing in the Arenal region, Costa Rica. University of
Texas Press, Austin.
Mendoza, P. E., L. Torres, and H. Llanos. 1986. Evaluation
of two different weed control systems under grazing
conditions for beef production in the tropics. Pages 111-
114 in Proceedings of the 1986 International Rangeland
Development Symposium. International Affairs Com-
mittee of the Society for Range Management and
Winrock International Institute for Agricultural Devel-
opment, Orlando, Florida.
Mueller, M. 1994. Archaeological survey in the Arenal Ba-
sin. Pages 48-72 in P. D. Sheets and B. R. McKee. Ar-
chaeology, volcanism, and remote sensing in the Arenal
region, Costa Rica. University of Texas Press, Austin.
Myers, N. 1981. The hamburger connection: how Central
America's forests become North America's hamburgers.
Ambio 10:2-8.
Mott, G. 0.1974. Nutrient recycling in pastures. Pages 323-
340 in D. A. Mays, editor. Forage fertilization. Ameri-
can Society of Agronomy, Crop Science Society of
America, and Soil Science Society of America, Madi-
son, Wisconsin.
National Research Council. 1989. Alternative agriculture.
National Academy Press, Washington, D.C.
. 1993. Sustainable agriculture and the environment
in the humid tropics. National Academy Press, Wash-
ington, D.C.
Parsons, J. J. 1983. Beef cattle (Ganado). Pages 77-79 in D.
Janzen, editor. Costa Rican natural history. University
of Chicago Press, Chicago.
Peck, D. C. 1996. The association of spittlebugs with grass-
lands: ecology of Prosapia in upland dairy pastures of
Costa Rica. Ph.D. dissertation, Cornell University,
Ithaca, New York.
Piperno, D. R. 1994. Phytolith records from the Proyecto
Prehistorico Arenal. Pages 286-292 in P. D. Sheets and
B. R. McKee. Archaeology, volcanism, and remote sens-
ing in the Arenal Region, Costa Rica. University of Texas
Press, Austin.
Plasse, D. N. 1976. The possibility of genetic improvement
of beef cattle in developing countries with particular
reference to Latin America. Pages 308-331 in A. J.
Smith, editor. Beef cattle production in developing
countries, University of Edinburgh, Edinburgh.
Preston, T. R. 1976. Prospects for the intensification of cattle
production in developing countries. Pages 242-257 in
A. J. Smith, editor. Beef cattle production in develop-
ing countries. University of Edinburgh, Edinburgh.
Rifkin, J. 1992. Beyond beef: the rise and fall of the cattle
culture. Dutton, New York.
Rosemeyer, M. E. 1990. The effect of different management
strategies on the tripartite symbiosis of bean (Phaseolus
Vulgaris L.) with Rhizobium and vescicular-arbuscular
mycorrhizal fungi in two agroecosystems in Costa Rica.
Ph.D. thesis, University of California, Santa Cruz.
Russell, D., A. W. Joe Free, and D. L. McCune. 1974. Potential
for fertilizer use on tropical forages. Pages 39—65 in D.
A. Mays, editor. Forage fertilization. American Society
of Agronomy, Crop Science Society of America, and Soil
Science Society of America, Madison, Wisconsin.
Saborio, R. 1981. Programa de reactivacion de ganaderia
bovina de carne en Costa Rica. IICA (Instituto Inter-
americano de Cooperacion para la Agricultura) and
SEPSA (Secretaria Ejecutiva de Planificacion Sectorial
de Desarrollo Agropecuario y de Recursos Naturales),
San Jose, Costa Rica.
Sanchez, P. 1982. Legume-based pasture produc-
tion strategy for acid infertile soils in tropical America.
Pages 97-120 in D. M. Krai, editor. Soil erosion and
conservation in the tropics. American Society of
Agronomy and the Soil Science Society of America,
Madison, Wisconsin.
. 1987. Management of acid soils in the humid trop-
ics of Latin America. Pages 63-107 in P. A. Sanchez,
E. R. Stoner, and E. Pushparajah, editors. Management
of acid tropical soils for sustainable agriculture: pro-
ceedings of the International Board for Soil Research
and Management (IBSRAM) inaugural workshop held
in Yurimaguas, Peru, Brasilia, Brazil, and Bangkok,
Thailand.
Sheets, P. D. 1994. Summary and conclusions. Pages 312-
325 in P. D. Sheets and B. R. McKee. Archaeology, vol-
canism, and remote sensing in the Arenal region, Costa
Rica. University of Texas Press, Austin.
Sheets, P. D., and B. R. McKee, editors. 1994. Archaeology,
volcanism, and remote sensing in the Arenal region,
Costa Rica. University of Texas Press, Austin.
Sheets, P., J. Hoopes, W. Melson, B. McKee, T. Sever, M.
Mueller, M. Chenault, and J. Bradley. 1991. Prehistory
and volcanism in the Arenal area, Costa Rica. Journal
of Field Archaeology 18:445-465.
Smithsonian Migratory Bird Center. 1994. Why migratory
birds are crazy for coffee. SMBC Fact Sheet No. 1,
Smithsonian Institution, Washington, D.C.
Stobbs, T. H. 1976. Beef production from sown and planted
pastures in the tropics. Pages 164-183 in A. J. Smith,
editor. Beef cattle production in developing countries.
University of Edinburgh, Edinburgh.
Stuckey, J. 1989. Kicking the subsidized habit: viewing ru-
ral development as a function of local savings mobili-
zation—the Santa Elena case: modifications for the
1990s. MBA thesis, National University, San Jose, Costa
Rica.
Taliafero, C. M., R. A. Byers, and G. W. Burton. 1967. Ef-
fects of spittlebug on root production and sod reserves
of coastal bermudagrass. Agronomy Journal 50:530—
532.
Ter, K., and B. T. Kang. 1986. Farming systems principles
for improved food production and the control of soil
degradation in the arid, semi-arid and humid tropics.
ICRISAT (International Crops Research Institute for the
Semi-Arid Tropics) and UNEP (United Nations Environ-
ment Program), ICRISAT Center, India.
Thrupp, L. A. 1988. Pesticides and policies: approaches to
pest-control dilemmas in Nicaragua and Costa Rica.
Latin American Perspectives 15: 37-70.
Valerio, J. R., and O. Nakano. 1987. Dano causado por
adultos da cigarrinha Zulia entreriana (Berg, 1879)
(Homoptera, Cercopidae) na producao de raizes de
Brachiaria decumbens Stapf. Anais da Sociedade
Entomologica do Brasil 16:205-221.
. 1988. Dafios causados pelo adulto da cigarrinha Zulia
entreriana. na producao de Brachiaria decumbens.
Pesquisa Agropecuaria Brasileira 23:447-453.
Vasquez, J. D. 1988. Estudio de prefactibilidad para el
establecimiento de un beneficio de cafe en la zona de
Monteverde. CoopeSanta Elena, R.L., Proyecto DISE,
Santa Elena, Costa Rica.
Vicente-Chandler, J. 1974. Fertilization of humid tropical
grasslands. Pages 277-301 in D. A. Mays, editor. For-
age fertilization. American Society of Agronomy, Crop
Science Society of America, and Soil Science Society
of America, Madison, Wisconsin.
Voisin, A., and A. Lecomte. 1962. Rotational grazing: the
meeting of cow and grass. A manual of grass produc-
tivity. Crosby Lockwood, London.
Warnick, A. C. 1976. Management factors affecting reproduc-
tive efficiency of beef cattle in developing countries.
Pages 132-137 in A. J. Smith, editor. Beef cattle produc-
tion in developing countries. University of Edinburgh,
Edinburgh.
Williams, R. C. 1986. Export agriculture and the crisis in
Central America. University of North Carolina Press,
Chapel Hill.
Wrigley, G. 1988. Coffee. Longman, Essex, UK.
417 Agriculture in Monteverde: Moving Toward Sustainability