Tropical Agriculture is Our Business

Luis A. Manrique

Dr. Luis A. Manrique holds a PhD in Agronomy and Soil Science from the University of Hawaii. Dr. Manrique has worked as a soil scientist and agronomist for the International Potato Center, Cornell University, University of Hawaii, and Texas A&M University. He has conducted extensive research on soil and agronomic aspects of tropical agriculture in South and Central America and the Pacific Basin. He has also been an adjunct professor in agriculture at Windward Community College . He is the author of more than fifty journal articles, various book chapters, and several reference books on potato, taro, cassava, sweet potato, and other tropical root crops. You can visit him at www.lava.net/manrique/resume.htm

List of Publications

1. Alva, C.A., J.G. van Alphen, A. de la Torre, and L.A. MANRIQUE. 1976. Salinity and drainage problems in the Peruvian coastal plain. Bull. 16 ILRI, Wageningen, The Netherlands.
2. MANRIQUE, L.A., D.J. Harris, and G. Uehara. 1980. Matching crop requirements to land characteristics. Illustrated Concepts in Tropical Agriculture No. 20. Dept. Agronomy and Soil Sci. Univ. Hawaii, Honolulu, HI.
3. MANRIQUE, L.A. 1982. Development of a land suitability classification for potatoes. Ph.D. diss. Dept. Agronomy and Soil Sci. Univ. Hawaii. Microfilmed.
4. MANRIQUE, L.A., G.Y. Tsuji, G. Uehara, and R.L. Fox. 1984. Winter and summer performance of potato (Solanum tuberosum) in isohyperthermic regimes. Am. Potato J. 61:41-56.
5. MANRIQUE, L.A. 1984. Feasibility of potato production in Hawaii. Research Series 026. Hawaii Institute of Tropical Agriculture and Human Resources, Univ. Hawaii, Honolulu, HI.
6. MANRIQUE, L.A., and G. Uehara. 1984. A proposed land suitability classification for potato. I. Methodology. Soil Sci. Soc. Am. J. 48:843-847.
7. MANRIQUE, L.A., and G. Uehara. 1984. A proposed land suitability classification for potato. II. Experimental. Soil Sci. Soc. Am. J. 48:847-852.
8. MANRIQUE, L.A., and R.E. Meyer. 1984. Effect of soil mulches on soil temperature, plant growth, and potato yields in an aridic isothermic environment in Peru. Turrialba 34:413-420.
9. MANRIQUE, L.A. 1984. A review of crop requirements for potato production with special emphasis in tropical and subtropical regions. Cornell Agric. Mimeo. 106. Dept. Agronomy. Cornell Univ. Ithaca, NY.
10. MANRIQUE, L.A., D.J. Harris, and G. Uehara. 1985. Matching crop requirements to land characteristics in a Tropeptic Eutrustox in Hawaii. Turrialba 35:25-28.
11. MANRIQUE, L.A. 1985. Performance of potato in three tropical soil families as influenced by their soil temperature regimes. Am. Potato J. 62:101-110.
12. MANRIQUE, L.A. 1985. The effect of water and acid-washing soil treatment on the measurement of pH, delta pH and zero point of charge in some variable charge soils. Commun. Soil Sci. Plant Anal. 16:385-397.
13. MANRIQUE, L.A. 1985. A land suitability assessment for tropical forage legumes. Geoderma 36:57-72.
14. Jaramillo, S., L.A. MANRIQUE, R.B. Bryant, T.W. Scott, B. Name, and J. Jonas. 1985. Soil and environmental conditions of IDIAP agricultural research stations in Panama. Agronomy Mimeo 85-2. Dept. Agronomy, Cornell Univ., Ithaca, NY.
15. MANRIQUE, L.A. 1985. Effect of extreme soil acidity conditions on plant growth and yield of cassava. Commun. Soil Sci. Plant Anal. 16:959-970.
16. MANRIQUE, L.A., and G. Uehara. 1985. A soil taxonomy based land assessment for food crop production. p. 202-209. In Silva J. (ed.) Soil-based Agrotechnology Transfer. Dept. Agronomy and Soil Sci., Univ. of Hawaii, Honolulu, HI.
17. Tsuji, G.Y., B. Cagauan, C.P.Y. Chang, P.Ching, A.R. Hurdus, L.A. MANRIQUE, R.G. Manuelpillai, M.E. Raymundo, and G. Uehara. 1985. Matching maize requirements to the agroenvironment. p. 75-91. In Silva J. (ed), Soil-based Agrotechnology Transfer. Dept. Agronomy and Soil Sci., Univ. of Hawaii, Honolulu, HI.
18. MANRIQUE, L.A. 1986. Field bean leaf area development and seed yield as affected by phosphorus application in a Typic Tropudult of Panama. Commun. Soil Sci. Plant Anal. 17:135-147.
19. MANRIQUE, L.A. 1986. The relationship of soil pH to aluminum saturation and exchangeable aluminum in ultisols and oxisols. Commun. Soil Sci. Plant Anal. 17:439-455.
20. Liang, T., A. Khan, L.A. MANRIQUE, and R. Parmar. 1986. Rating land for crop introduction. Agric. Systems 21:107-127.
21. MANRIQUE, L.A. 1986. Air and soil temperature relationships in a network of tropical soil families. Tropical Agric. (Trinidad) 63:273-277.
22. MANRIQUE, L.A. 1987. Response of cassava to liming on a strongly acid Ultisol of Panama. Commun. Soil Sci. Plant Anal. 18:115-130.
23. MANRIQUE, L.A. 1987. Leaf area development and growth performance of cassava germplasm on a strongly acid ultisol of Panama. J. Plant Nutrition 10:677-698.
24. MANRIQUE, L.A. 1988. Effects of rainfall and cover on soil temperatures of an isohyperthermic temperature regime, Panama. Geoderma 42:129-146.
25. MANRIQUE, L.A., D.P. Bartholomew, and E.E. Ewing. 1989. Growth and yield performance of potato clones grown at three elevations in Hawaii. I. Plant morphology. Crop Sci. 29:363-370.
26. MANRIQUE, L.A. 1989. Analysis of growth of Kennebec potatoes grown under differing environments in the tropics. Am. Potato J. 66:277-291.
27. MANRIQUE, L.A., and T. Hodges. 1989. Estimation of tuber initiation in potatoes grown in tropical environments based on different methods of computing thermal time. Am. Potato J. 66:425-436.
28. MANRIQUE, L.A. 1990. Growth and yield of potato grown in the greenhouse during summer and winter in Hawaii. Commun. Soil Sci. Plant Anal. 21:237-249.
29. MANRIQUE, L.A. 1990. Effects of nitrogen fertilization on growth and yield of cassava in Hawaii. I. Dynamics of soil nitrogen. Commun. Soil Sci. Plant Anal. 21:1803-1816.
30. MANRIQUE, L.A. 1990. Effects of nitrogen fertilization on growth and yield of cassava in Hawaii. II. Dry matter production and efficiency of partitioning. Commun. Soil Sci. Plant Anal. 21:1817-1830.
31. MANRIQUE, L.A., and R.E. Meyer. 1990. Erodibility assessment of tropical drylands. p. 107-110. Proc. Intl. Conf. Dryland Farming, Amarillo/Bushland, TX, Aug. 15-19, 1988.
32. MANRIQUE, L.A., T. Hodges, and B.S. Johnson. 1990. Genetic variables for potato. Am. Potato J. 67:669-683.
33. MANRIQUE, L.A. 1990. Plant morphology of cassava during summer and winter. Agron. J. 82:881-886.
34. MANRIQUE, L.A. 1990. Leaf area development and dry matter production of cassava during summer and winter. Agron. J. 82:887-891.
35. MANRIQUE, L.A. 1990. Estimating soil surface temperatures under different crop covers in Hawaii. Commun. Soil Sci. Plant Anal. 21:2105-2117.
36. MANRIQUE, L.A., C.A. Jones, and P.T. Dyke. 1990. Estimation of exchangeable bases and base saturation from soil physical and chemical data. Commun. Soil Sci. Plant Anal. 21:2119-2134.
37. MANRIQUE, L.A., and D.P. Bartholomew. 1991. Growth and yield performance of potato clones grown at three elevations in Hawaii. II. Dry matter production and efficiency of partitioning. Crop Sci. 31:367-372.
38. MANRIQUE, L.A., J.R. Kiniry, T. Hodges, and D.S. Axness. 1991. Relationship between dry matter production of potato and radiation interception. Crop Sci. 31:1044-1049.
39. MANRIQUE, L.A., and C.A. Jones. 1991. Bulk density of soils in relation to soil physical and chemical properties. Soil Sci. Soc. Am. J. 55:476-481.
40. MANRIQUE, L.A., and T. Hodges. 1991. Development and growth of tropical maize at two elevations in Hawaii. Agron. J. 83:305-310.
41. MANRIQUE, L.A., C.A. Jones, and P.T. Dyke. 1991. Predicting cation exchange capacity from soil physical and chemical properties. Soil Sci. Soc. Amer. J. 55:476-481.
42. MANRIQUE, L.A., C.A. Jones, and P.T. Dyke. 1991. Predicting soil water retention characteristics from soil physical and chemical properties. Commun. Soil Sci. Plant Anal. 22:1847-1860.
43. MANRIQUE, L.A. 1992. Growth and yield performance of cassava at three elevations in Hawaii. Commun. Soil Sci. Plant Anal. 23:129-141.
44. MANRIQUE, L.A. 1992. Potato production in the tropics: Crop Requirements. J. Plant Nutrition 15:2679-2726.
45. MANRIQUE, L.A. 1993. Technology for soil erosion assessment in the tropics: A review. Commun. Soil Sci. Plant Anal. 24:1033-1064.
46. MANRIQUE, L.A. 1993. Soil Management and Conservation in the Tropics. Indigenous and adapted technology. Commun. Soil Sci. Plant Anal. 24:1617-1644.
47. MANRIQUE, L.A. 1993. Crop production in the tropics: A review. J. Plant Nutrition 16:1485-1516.
48. MANRIQUE, L.A. 1993. Constraints for potato production in the tropics. J. Plant Nutrition 16:2075-2120.
49. MANRIQUE, L.A. 1993. Greenhouse crops: A review. J. Plant Nutrition 16:2411-2477.
50. MANRIQUE, L.A. 1994. Nitrogen requirements of taro. J. Plant Nutrition 17:1429-1441.
51. MANRIQUE, L.A. 1994. Dry matter production and radiation interception of cassava. Trends in Agric. Sci. (Agronomy) 2:31-38.
52. MANRIQUE, L.A. 1994. Use of true potato seed in the tropics: Potentials and realities. J. Plant Nutrition 17:1569-1586.
53. MANRIQUE, L.A. 1995. Mulching in potato systems in the tropics. J. Plant Nutrition 18:593-616.
54. MANRIQUE, L.A. 1996. The potato in multiple cropping systems. J. Plant Nutrition 19:215-243.