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Dr. James A. Silva
Professor, Soil Scientist
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Contact Information:
University of Hawaii at Manoa
Department of Tropical Plant and Soil Sciences
3190 Maile Way, St. John 102
Honolulu, HI 96822-2279
Office: Sherman Lab 236/235
Telephone: (808) 956-6696
Fax: (808) 956-6539
email: jsilva@hawaii.edu
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Educational Background
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- B.S., Soil Science, University of Hawaii
- M.S., Soil Science, University of Hawaii
- Ph.D., Agronomy, Iowa State University
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General Interests
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- Soil fertility and chemistry and statistics
- Soil-plant relations, plant nutrition
- Crop & soil management of wet land taro
- Use of composted animal (poultry) manure for crop growth
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Current Projects
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- Effect of crop and soil management on yield and disease incidence of wet land taro
- Calibration of the Agricultural Diagnostic Service Center Analytical Methods
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Courses
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Selected Publications
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- Silva, J.A., R. Coltman, R. Paull, and A. Arakaki. 1992. Response of Chinese taro to nitrogen fertilization and plant population. P. 13-16. In U. Singh (ed.) Proc. Workshop on Taro and Tanier Modeling. August 8-14, 1991. Hawaii Institute of Tropical Agriculture and Human Resources. Univ. of Hawaii. Honolulu, HI.
- Silva, J.A., D. Sato, P.S. Leung, G. Santos and J. Kuniyoshi. 1990. Response of Chinese taro (Colocasia esculenta (L.) Schott Var. "Bun Long") to nitrogen and potassium fertilization. Proc. Taking Taro into the 1990s: A Taro Conference. P. 60-70.
- Silva, J.A. 1989. Sugarcane. In D.L. Plucknett and J.W. Sprague (eds.) Detecting Mineral Nutrient Deficiencies in Tropical and Temperate Crops. Westview Press. Boulder, CO.
- Silva J.A. ed. 1985. Soil-based Agrotechnology Transfer. Benchmark Soils Project, Dept. of Agron. and Soil Sci., Hawaii Inst. of Trop. Agric. and Human Resources, College of Trop. Agric. and Human Resources, University of Hawaii 292 pp.
- Hue, N.V., H. Ikawa, and J.A. Silva. 1994. Increasing Plant-Available Phosphorus in an Ultisol with a Yard-Waste Compost. Commun. Soil Sci. Plant Annal., 25(19&20):3291-3303.
- Ishizaki, S.M., J.A. Silva, and W.Y. Toma 1991. Soil-plant Relationships in Pangola Grass (Digitaria decumbens Stent.) and Intortum (Desmodium intortum (Mill.) Urb.) Fertilized with Molybdenum and Copper. J. Plt. Nutr. 14:(3):295-313.
- Widjaja-Adhi, I Putu G., J.A. Silva, and F.B. Cady 1991. Prediction of Maize Response to Phosphate Fertilizer Application on Two Benchmark Soils: I. Models using Extractable Phosphorus. Indonesion J. Crop Sci. 6:(1):11-21.>
- Widjaja-Adhi, I Putu G., J.A. Silva, and F.B. Cady. 1991. Prediction of Maize Response to Phosphate Fertilizer Appliction on Two Benchmark Soils: II Refinement of the Prediction Models. Indonesian J. Crop Sci. 6:(1):23-36.
- N.S. Tuivavalagi and J.A. Silva. 1996. The Effect of Chicken Manure and Inorganic Fertilizers on Soil Properties and the Growth and Yield of Maize (Zea mays) Grown on a Hawaiian Oxisol. J. South Pacific Agr.3(1-2):37-41.
- Akhtar, M. and J.A. Silva. 1997. Impact of Nitrogen and Intercropping on Growth Behaviour and Productivity of Sugarcane. Pakistan J. Soil Sci.13:(1-4):1-6.
- Akhtar, M. and J.A. Silva. 1998. Growth Behaviour and N Contents of Sweet Corn Affected by Nitrogen Application and Intercropping. Pakistan J. Soil Sci. 15:130-134.
- Hue, N.V., J.A.Silva, G. Uehara, R.T. Hamasaki, R. Uchida, and P. Bunn. 1998. Managing Manganese Toxicity in Former Sugarcane Soils on Oahu. College of Tropical Agriculture & Human Resources, Univ. of Hawaii. SCM-1. 7p.
- Akhtar, M. and J.A. Silva. 1999. Assessment of Crop Residue Cover with Photographic Slide and Point Intercept Methods. Note: Trop. Agric. (Trinidad). 76 (3):205-207.
- Silva, J.A. and R.S. Uchida. (Ed.) 2000. Plant Nutrient Management in Hawaii's Soils. College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa. 158pp.
- N. V. Hue, S. Vega, and J.A. Silva. 2001. Manganese Toxicity in a Hawaiian Oxisol Affected by Soil pH and Organic Amendments. Soil Sci. Soc. Am. J. 65:153-160.
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Last updated on 12/24/02
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