Alba, J. de. 1951. Ensayos de engorde de cerdos con raciones a base de maíz, yuca, y bananas. Turrialba, Costa Rica. 1(4):176–184.
Amon, B. O. E., and S. A. Adetunji. 1973. The response of maize, yam and cassava to fertilizers in a rotation experiment in the savannah zone of western Nigeria. Nigerian Agricultural J. 10(1):91–98.
Bartolini, P. U., and S. Hirose. 1984. Root crop survey in Visayas (Leyte and the Camotes Islands, Cebu) A. Leyte survey. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 9–21. Tokyo: Japan Scientific Societies Press.
Bieber, J. L. 1975. Comparaciones de asociación de yuca-maíz. El Salvador: CENTA. Unpublished ms.
Boster, J. S. 1983. A comparison of the diversity of Jivaroan gardens with that of the tropical forest. Human Ecology 11(1):47–68.
Cardoso, May Luiza. 1962. Don’t plant Manihot esculenta in association with Pinus ellioti. Control of Armillaria mellea. Silviculture: São Paulo. 1(4):189–190.
Chan, S. K. 1970. Notes on the growing of cassava at Serdang. Crop diversification in Malaysia, ed. by E. N. Blencowe, and J. W. Blencowe, 139–146. Kuala Lumpur: Society of Planters.
Chew, W. Y. 1977. Assessment of cassava as an industrial crop on peat. MARDI Report 57. Serdang, Selangor, Malaysia.
Chew, W. Y. 1979. Cassava intercropping patterns and practices in Malaysia. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 43–48. Ottawa, Canada: IDRC. IDRC-142e. 143 pg.
Chung, C. Y. 1975. Field observations on the performance of tapioca smallholdings on three soil types in Selangor. Extension and Advisory Services Branch, Division of Agriculture, Ministry of Agriculture and Rural Development, Kuala Lumpur. Unpublished ms.
Chung, C. Y. 1976. Commercial tapioca production by smallholders on different soil types in the Kinta District, Perak. Farm Management Information Series, Extension and Advisory Services Branch, Division of Agriculture, Ministry of Agriculture and Rural Development, Kuala Lumpur. Unpublished ms.
CIAT. 1976. Annual report for 1975. Cali, Colombia: Centro Internacional de Agricultura Tropical.
CIAT. 1977. Cassava program annual report for 1976. Cali, Colombia: Centro Internacional de Agricultura Tropical.
Cock, J. H., A. Castro, and J. C. Toro. 1978. Agronomic implications of mechanical harvesting. Proceedings of a workshop on cassava harvesting and processing, held at CIAT, Cali, Colombia, 24–28 April 1978, ed. by E. J. Weber, J. H. Cock, and A. Chouinard, 60–65. Ottawa, Canada: International Development Research Centre, IDRC-114e. 84 pg.
Dangler, James M. 1982. Root and top yields of cassava and sweet potato as affected by cultivar, fertilizer rate, cowpea intercrop or time of harvest. M.S. thesis. Gainesville, Fl: Univ. of Florida.
Díaz, R. O., and P. Pinstrup-Anderson. 1977. Descripción agro-economica del proceso de producción de yuca en Colombia. Boletín, edición preliminar 4. Cali, Colombia: Centro Internacional de Agricultura Tropical.
Dos Santos, M. 1978. Producción biológica y económica de agrosistemas basados en el cultivo de la yuca, Manihot esculenta. Turrialba, Costa Rica: CATIE-UCR, M.S. thesis.
Effendi, Suryatna. 1979. Cassava intercropping patterns and management practices in Indonesia. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 35–36. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Enriquez, G. 1978. Perennial plants program. Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica. Unpublished ms.
Ezeilo, W. N. O. 1977. The effect of fertilizers and other inputs on yield and nutritive value of cassava and other tropical root crops. 13th Colloquium of the International Potash Institute, York, England.
Ezeilo, W. N. O. 1979. Intercropping with cassava in Africa. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 49–56. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Ezeilo, W. N. O., J. C. Flinn, and L. B. Williams. 1975. Cassava producers and cassava production in the east central state of Nigeria. Ibadan, Nigeria: National Accelerated Food Production Project.
Flinn, J. C. 1979. Agroeconomic considerations in cassava intercropping research. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 87–101. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Floyd, B. 1969. Eastern Nigeria: A geographical review. London: MacMillan and Co. Ltd.
Frazão, D. A. C., A. K. O. Homma, and E. B. de Andrade. 1980. Aspectos econômicos em sistemas de produção com culturas alimentares para agricultores de baixa renda na Microregiâo Bragantina, Pará. Boletim de Pesquisa, Centro de Pesquisa Agropecuária do Trópico Umido, EMBRAPA, Brazil 6. 13 pg.
Furtado, M. J., et al. 1978. Sistema de Cultivo de yuca, Manihot esculenta, Crantz, en hileras dobles. Conferencia presentada en el curso sobre producción de yuca. Cali, Colombia: Centro Internacional de Agricultura Tropical (CIAT).
Gutierrez, N. A., and P. P. Anderson 1972. La importancia relativa de frijol, maíz, arroz, yuca y carne en la zona tropical. Internal Report, CIAT.
Harris, D. R. 1976. Traditional systems of plant food production and the origins of agriculture in West Africa. Origins of African plant domestication, ed. by Jack R. Harlan, Jan M. J. De Wet, and Ann B. L. Stemler, 312–356. Paris: The Hague, Mouton.
Hart, R. 1974. The design and evaluation of a bean, corn and manioc polyculture cropping system for the humid tropics. Ph.D. dissertation. Gainesville, Fl.: Univ. of Florida. 158 pg.
Hart, R. 1975a. A bean, corn and manioc polyculture cropping system. I. The effect of interspecific competition on crop yield. Turrialba, Costa Rica. 25:294–301.
Hart, R. 1975b. A bean, corn and manioc polyculture cropping system. II. A comparison between the yield and economic return from monoculture and polyculture cropping system. Turrialba, Costa Rica. 25:377–384.
Holle, M. 1976. Department of Crops and Soils, Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica. Unpublished ms.
Imtiaz, B., W. Sudrianta, and W. Sudana. 1977. Preliminary results of cropping systems research at Lampung, 1976–1977. Report of the Cropping Systems Working Group. Sixth Cropping Systems Working Group Meeting, sponsored by the Department of Agriculture of Sri Lanka and the International Rice Research Institute, Sri Lanka, 13–17 December.
Ismail, Inu G., and Hs. Suprapto. 1977. Preliminary results of cropping systems research in transmigration areas in the southern part of Sumatra, South Sumatra and Lampung, 1976/1977. Report of the Cropping Systems Working Group. Sixth Cropping Systems Working Group Meeting, sponsored by the Department of Agriculture of Sri Lanka and the International Rice Research Institute, Sri Lanka, 13–17 December.
Kanapathy, K. 1974a. Fertilizer experiments on shallow peat under continuous cropping with tapioca. Malaysian Agricultural J. 49(4):403–412.
Kumar, B. M., R. C. Mohan, and N. Hrishi. 1979. Intercropping systems with cassava in Kerala State, India. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 31–34. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Lagemann, J. L. 1977. Traditional African farming systems in Eastern Nigeria. Munchen, Weltforum, Verlag.
Larios, J., and R. Moreno. 1976. Epidemiología de algunas enfermedades foliares de la yuca en diferentes sistemas de cultivo I. Mildiu polvoroso y rona 26:389–398. Turrialba, Costa Rica.
Leihner, D. E. 1979. Agronomic implications of cassava-legume intercropping systems. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 103–112. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Lim, S. C. 1969. An agro-economic study of intercrops on rubber smallholdings. Economic and Planning Division, Rubber Research Institute Malaya, Kuala Lumpur. Report 6. Unpublished ms.
Lizarraga Herrera, N. A. 1976. Evaluación del crecimiento del camote, Pomoea batatas L., y su relación con la radiación solar, en monocultivo y en asociación con yuca, Manihot esculenta, Crantz, y maíz, Zea mays L. Turrialba, Costa Rica: Centro Agronómico Tropical de Investigación y Enseñanza. M.S. thesis.
Lorenzi, J. O., E. S. Normanha, and A. J. de Conceição. 1980. Cassava production and planting systems in Brazil. Proceedings of a workshop on cassava cultural practices, Bahia, Brazil, ed. by Weber, Torro, and Graham, 38–43. Ottawa, Canada: IDRC. IDRC-151e.
Mateo, N., A. Barrantes, and R. Moreno. 1975. Department of Crops and Soils, Centro Agronómico Tropical de Investigación y Enzeñanza, Turrialba, Costa Rica. Unpublished ms.
McIntosh, Jerry L., and Suryatna Effendi. 1979. Soil fertility implications of cropping patterns and practices for cassava. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 77–85. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Morales, O. J., W. N. Bangham, and F. M. Barrus. 1949. Cultivos intercalados en plantaciones de hevea. Boletín Técnico 2. Turrialba, Costa Rica: Instituto Interamericano de Ciencias Agrícolas.
Moreno, R. A. 1979. Crop protection implications of cassava intercropping. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 113–127. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Moreno, R. A., and R. D. Hart. 1979a. Cassava intercropping in Central America. Turrialba, Costa Rica. 22 pg.
Moreno, R. A., and R. D. Hart. 1979b. Intercropping with cassava in Central America. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 17–24. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Muthukrishnan, C. R., and S. Thamburaj. 1979. Cassava intercropping patterns and management practices at Tamil Nadu Agricultural University, Coimbatore, India. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 37–41. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Oelsligle, D. D., R. Meneses, and R. E. McCollum. 1974. Nitrogen response by a corn-cassava intercropped system in the Atlantic Coast of Costa Rica. Agronomic research on tropical soils. Raleigh: North Carolina State Univ.
Okali, C., and E. Bortei-Doku. 1978. The impact of the NAFPP program in Imo State. Second NAFPP National Cassava Workshop, Umudike. Ibadan, Nigeria: International Institute of Tropical Agriculture. Mimeo.
Okigbo, B. N. 1976b. Intercropping systems in tropical Africa. Multiple cropping, ed. by M. Stelly. ASA Special Publication 27.
Okigbo, B. N. 1977. International Institute of Tropical Agriculture, preliminary cassava interplanting trials. Umudike, Nigeria: First NAFPP (National Accelerated Food Production Project) National Cassava Workshop. 9 pg.
Perrault, P. T. 1978. Banana - manioc farming systems of the tropical forest: A case study in Zaire. Ph.D. dissertation. Stanford Univ.
Porto Marcio Carvalho, Marques, Pedro Alve de Almeida, Pedro Luiz Pires de Mattos, and Raymundo Fonsêca Souza. 1979. Cassava intercropping in Brazil. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 25–30. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Pushparajah, E., and S. Y. Tan. 1970. Tapioca as an intercrop in rubber. Crop diversification in Malaysia, ed. by E. N. Blencowe, and J. W. Blencowe, 128–138. Kuala Lumpur: Soc. Planters.
Rao, B. S. 1970. Pest problems of intercropping in plantations. Crop diversification in Malaysia, ed. by E. N. Blencowe, and J. W. Blencowe. Kuala Lumpur: Society of Planters.
Reining, C. C. 1970. Land subsistence and food production. African food production systems: Cases and theory, ed. by F. M. McLoughlin. Baltimore: John Hopkins Press.
Rogers, D. J. 1965. Some botanical and ethnological consideration of Manihot esculenta. Economic Botany 19(4):369–377.
Schlippe, P. de. 1956. Shifting cultivation in Africa: The land systems. London: Routledge and Kegan Paul Ltd.
Sinthuprama, Sophon. 1979. Cassava and cassava-based intercrop systems in Thailand. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 57–65. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Spencer, D. S. C. 1973. Rice production and marketing in Sierre Leone. Factors of agricultural growth in West Africa, ed. by L. M. Ofori, 130–144. Proceedings of the International Conference, Legon, April 1971. Accra: Univ. of Ghana, Institute of Social and Economic Research.
Thung, M., and J. H. Cock. 1979a. Multiple cropping cassava and field beans: Status of present work at the International Centre of Tropical Agriculture (CIAT). Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 7–16. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Thung, M., and J. H. Cock. 1979b. Planting date, plant population and genotypes as factors in cassava beans association. Field Crops Research.
Vries, C. A. de, J. D. Ferwerda, and M. Flach. 1967. Choice of food crops in relation to actual and potential production in tropics. Netherlands J. of Agricultural Science 15:241–248.
Wade, M. K., and P. A. Sanchez. 1976. Multiple cropping experiment. Agronomic-economic research on tropical soils. Annual Report for 1975, 137–152. Raleigh, N.C.: N.C. State Univ., Soil Science Department.
Wagner, P. 1958. Nicoya, a cultural geography. Berkeley: Univ. of California. Publications in Geography 12:195–250.
Weber, E. J., and B. L. Nestel. 1979. Foreward. Intercropping with cassava. Proceedings of an international workshop held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 5–6. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Weber, E. J., B. L. Nestel, and M. Campbell, eds. 1979. Intercropping with cassava. Proceedings of an international workshop held at Trivandrum, India, 27 Nov–1 Dec 1978. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.
Wilson, G. F., and M. O. Adeniran. 1974. Some observations on land productivity under cowpea in pure stands and in mixed cropping with cassava. J. of the Association of Advanced Agricultural Science of Africa 44–47.
Zandstra, H. G. 1979. Cassava intercropping research: Agroclimatic and biological interactions. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 67–75. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg.