Selected Publications : Shrikant Jagtap, Ph. D. Updated October 15, 2003

Information Systems Resource Management Modeling Climatology Irrigation & Agronomy NewsArticles

2003

Mavromatis, T., Jagtap, S.S., and Jones, J. W., 2003. Estimation of solar radiation. Draft In Review (Nov, 2003)

Jagtap, S. S., Abamu, F., 2003. Matching improved maize production technologies to the resource base of farmers in a moist savanna, Agricultural Systems 76(3):1067-1084

Jagtap, S.S. 2003. Agrometeorological modelling - principles, data and applications. Agricultural and Forest Meteorology, 119:109-110

Reiley, J., Tubiello, F., McCarl, B., Abler, D., Darwin, R., Fuglie, K., Hollinger, S., Izaurralde, C., Jagtap, S., Jones, S., Mearns, L., Ojima, D., Paul, E., Paustian, K., Riha, S., Rosenberg, N., Rosenzweig, C. 2003. U.S. Agriculture and climate change: New Results. Clim Change 57:43-69

Jagtap, S. S., Lall, U., Jones, J.W., Gijsman, A. J., Ritchie, J. T. 2003. A dynamic nearest neighbor method for estimating soil water parameters. Trans. Of ASAE (In Review)

2002 (10)

Jagtap S. S. and J. W. Jones. 2002. Adaptation and evaluation of the CROPGRO-Soybean model to predict regional yield and production. Agriculture Ecosystems & Environment, 93(1):78-85

Jagtap, S.S., Jones, J. W., Hildebrand, P., O’Brien, J.J., Podestá, G., Letson, D., Zazueta, F., 2002. Responding to Stakeholders Demand for Climate Information: From Research to Practical Applications in Florida, Agricultural Systems, 74(3):415-430

Amissah-Arthur, A.A., Jagtap, S.S., Rosenzweig, C., 2002. Spatio-Temporal analysis of El Niño events on rainfall and maize yield in Kenya. Int. J. of Climatology. 22(15):1849-1860

Gijsman, A., Jagtap, S.S., Jones, J. W., 2002. Wading through a swamp of complete confusion: how to choose a method for estimating soil water retention parameters for crop models, European Journal of Agronomy, 18(1-2):75-105.

National Agriculture Assessment Group, 2002. Agriculture: The potential consequences of climate variability and change, Ed. John Reilly, Cambridge University Press.

Mavromatis, T., Jagtap, S.S., and Jones, J. W., 2002. El Niño Southern Oscillation Effects on Peanuts yield and nitrogen leaching. Clim Res, 22(2):129-140

Hanley, D., Jagtap, S.S., LaRow, T., Jones, J.W.; Cocke, C., Zierden, D., O'Brien, J. O., 2002: The linkage of regional climate models to crop models. Preprints, 3rd Symposium on environmental applications: Facilitating the use of environmental information. Orlando, FL. Amer. Meteor. Soc., 134-139.

Oluwasemire, K. O., Stigter, C. J., Owonubi, J.J., Jagtap, S.S., 2002. Seasonal Water Use And Productivity Of Millet Based Cropping Systems In The Nigerian Savanna Near Kano, Agricultural Water Management, 56: 207-227

Smith, H. A., Lamb, M. C., Hatch, U., Jagtap, S. S., Johnson, J. L., 2002. Projected Impacts of Climate Change on Southeastern Peanut Production. Peanut Science (In Press)

Tubiello, F.N. , Rosenzweig, C., Jagtap, S. S., J.W. Jones, 2002.Effects of Climate Change on Production of Wheat, Potato, Corn, Citrus, and Hay, Clim Res, 20(3):259-270

2001(8)

Jagtap S. S. and J. W. Jones, 2001. Scaling-Up Crop Models For Regional Yield and Production Estimation: A case-Study of Soybean Production in the State of Georgia, USA. Pp: 171-186 (Eds). K. Kobayashi, Proceedings of Crop Monitoring and Prediction at Regional Scales, Tsukuba, Japan, February 19-22, 20001

S. E. USA Assessment Team, 2001. Potential consequences of climate variability and change for the southeastern United States, Ch. 5 in Climate Change Impacts on the United States, Cambridge University Press.

Jagtap, S. S. 2001. Potential Impact of Climate Change on Florida’s Agriculture: Feeling the Heat in Florida: Global Warming on the Local Level. National Resource Defense Council & Florida Climate Alliance.

Jones, J. W., Hildebrand, P., Jagtap, S., O’Brien, J.J., Zierden, D., Letson, D., Podestá, G., 2001. An operational program of climate information: A cooperative venture with Florida's Agricultural Extension System. The 12^th Symposium on Global Change Climate Variations, 19-24 January 2001, Albuquerque, New Mexico, 6.6 AMS, Boston, Massachusetts.

Jagtap, S. S., 2001. A Case Study On Planning Sustainable Agriculture Using Agroclimatic Data Bases. WMO/TD No. 1030, Geneva, Switzerland

Jagtap, S. S, J. W. Jones, F. Zazueta, J. Jackson, H. Beck, P. Hildebrand, 2001. Bridging The Gap Between Climate Prediction And Its Application In Florida Agriculture, Technical Report FC-UF-2001-1, April 12,2001

Jagtap, S. S., 2001. Decision Support Systems for Agrotechnology Transfer: Opportunities and Limitations Experienced In Developing Countries, WMO Special Publication

Jamieson, P. D., A. D. Agbangla, P. Diemer, S. S. Jagtap, F. Lansigan, J. F. Strand, V. N. Strashny and S. Wang, 2001. Agrometeorological Information Needs in Agricultural Production. World Meteorological Organization, Commotion for Agricultural Meteorology, CagM Report No. 85.

2001 Papers, Reports (17)

Potential Impact of Climate Change on Florida’s Agriculture. Report prepared for the National Resource Defense Council

T. Mavromatis, S. S Jagtap and J. W Jones. 2001. ENSO Effects on Peanut Yield and Nitrogen Leaching. Submitted (July 9,2001)Climate Research

Jagtap, S. S. and J. W. Jones. 2001. Predicting Regional Soybean Yield And Production: Scaling Up Cro p Simulations, Agriculture Ecosystem and Environment

Jagtap, S. S., 2001. A Case Study On Planning Sustainable Agriculture Using Agroclimatic Data Bases. WMO/TD No. 1030, Geneva, Switzerland

Jagtap, S. S, J. W. Jones, F. Zazueta, J. Jackson, H. Beck, P. Hildebrand, 2001. Bridging The Gap Between Climate Prediction And Its Application In Florida Agriculture, Technical Report FC-UF-2001-1, April 12,2001

Jones, J. W., Hildebrand, P., Jagtap, S., O’Brien, J.J., Zierden, D., Letson, D., Podestá, G., 2001. An operational program of climate information: A cooperative venture with Florida's Agricultural Extension System. The 12th Symposium on Global Change Climate Variations, 19-24 January 2001, Albuquerque, New Mexico, 6.6 AMS, Boston, Massachusetts.

Jagtap, S. S., Abamu, F., 2001. Flexible nitrogen fertilizer management strategies in response to seasonal forecasts Agricultural Systems (in review)

Gijsman, A., Jagtap, S.S., Jones, J. W., 2001. Wading through a swamp of confusion: estimating soil water parameters for models. Agricultural Systems (In progress)

Jagtap, S.S., Jones, J. W., Hildebrand, P., O’Brien, J.J., Podestá, G., Letson, D., Zazueta, F., 2001. Benefiting From Climate Information: From Research To Practical Applications In The SE USA, Agricultural Systems (in progress)

Jagtap, S., F.N. Tubiello, J.W. Jones, C. Rosenzweig, K. Paustian, and D. Ojima, 2001. Effects of Climate Change on Production of Soybean, Sorghum, Rice, and Tomato in key production regions of the USA, Climatic Change (December, 2000, submitted)

Tubiello, F.N. , Jagtap, S. S., C. Rosenzweig, J.W. Jones, K. Paustian, and D. Ojima, 2001. Effects of Climate Change on Production of Wheat, Potato, Corn, Citrus, and Hay in key production regions of the USA, Climatic Change (December 2000, submitted)

Oluwasemire, K. O., Stigter, C. J., Owonubi, J.J., Jagtap, S.S., 2001. Seasonal Water Use And Productivity Of Millet Based Cropping Systems In The Nigerian Savanna Near Kano: I. Water Use. Experimental Agriculture (December 2000, Submitted)

Oluwasemire, K. O., Stigter, C. J., Owonubi, J.J., Jagtap, S.S., 2001. Seasonal Water Use And Productivity Of Millet Based Cropping Systems In The Nigerian Savanna Near Kano: II. Water Productivity. Experimental Agriculture (December 2000,Submitted)

Oluwasemire, K. O., Owonubi, J.J., Stigter, C. J., Jagtap, S.S., 2001. Yield And Dry Matter Production Of Millet, Sorghum And Cowpea In Millet Based Intercropping Systems In Northern Nigeria. Experimental Agriculture (December 2000,Submitted)

Jagtap, S. S., 2001. Decision Support Systems for Agrotechnology Transfer: Opportunities and Limitations Experienced In Developing Countries, WMO Special Publication

Jagtap S. S. and J. W. Jones, 2001. Scaling-Up Crop Models For Regional Yield and Production Estimation: A case-Study of Soybean Production in the State of Georgia, USA, Crop Monitoring and Prediction at Regional Scales, International Workshop, Tsukuba, Japan, Feb 19-22, 20001

2000 Papers (2)

Jagtap, S. S. and A. K. Chan, 2000. Agro meteorological aspects of agriculture in the sub-humid and humid zones of Africa and Asia. Agricultural and Forest Meteorology, 103(2000):59-72

Menkir, A., J. G. Kling, S. S. Jagtap, B. A. Alia, 2000. GIS based classification of maize testing locations in West and Central Africa. Maydica, 45(2):143-150

1999 Papers (8)

Hatch, U., S. S. Jagtap, J. Jones and M. Lamb. 1999. Potential effect of climate change on agricultural water use in the southeast U.S., 35(6):1551-1561

Jones, J. W., S. S. Jagtap, K. J. Boote, 1999. Climate Change: Implications for soybean yield and management in the USA. World Soybean Research Conference VI, August 4-7, 1999. Chicago, Illinois, USA
Jagtap, S. S., Abamu, F., Kling, J., 1999. Longterm assessment of nitrogen and variety technologies on attainable maize yields in Nigeria using CERES-Maize. Agricultural Systems, 60:77-86

Jagtap, S. S., Adeleye, O., 1999. Land use efficiency of maize and soybean intercropping and the monetary returns. Tropical Science 39:50-55

Jagtap, S. S., Adeleye, O., 1999. Nutrient recovery and productivity of soybean-maize rotations in the derived savanna ecology of West Africa. Sustainable Agriculture, 15(6):75-85

Chineke, T. C., S. S. Jagtap and J. I. Aina, 1999. Applicability of a weather simulation model based on observed daily meteorological data in humid tropical climate. Theoretical and Applied Climatology, 64:15-25

Jagtap Shrikant and Amissah-Arthur Abigail. 1999. Stratification and Synthesis of Crop-Livestock Production System using GIS. GeoJournal 47:573-582.

Amissah-Arthur, A., S.S. Jagtap. 1999. Geographic Variation in Growing Season Rainfall in Nigeria during Three Decades using Principal Component and Cluster Analyses. Theoretical and Applied Climatology 63(1-2):107-116.

Amissah-Arthur, A., S.S. Jagtap. and K.E. Dashiell. 1999. Plant density effects on crop growth rate and yield of tropical soybean. Tropical Science 39:162-167.

Applications of Geographic Information Systems (10)

Menkir, A., J. G. Kling, S. S. Jagtap, B. A. Alia, 2000. GIS based classification of maize testing locations in West and Central Africa. Maydica Maydica, 45(2):143-150

Jagtap, S. S. and A. G. Ibiyemi, 1998. Geographic Information Systems database for agricultural researchers and policy makers (monograph), RCMD, IITA, Ibadan, Nigeria.

Rao, M., S. S. Jagtap and A. G. Ibiyemi, 1998. Geographic Information Systems Applications in Agriculture (monograph), RCMD, IITA, Ibadan, Nigeria.

Jagtap, S. S. Achievements in Institutionalizing use of Resource Information System for Agricultural Research and Technology Transfer Case of West and Central Africa. Use of GIS in Agricultural Research Management, June 17-21, 1996, Arrendal, NORWAY

Amissah-Arthur, A.A., J.W. Smith and S.S. Jagtap. 1996. Hypotheses and Decision Support Systems: tools for quantifying resource use in crop-livestock systems. Research monograph, ILRI-IITA (in preparation).

Jagtap, S. S. and N.Q.Ng. 1996. Integrating germplasm databases and molecular genetic information with a geographic information system. Proceedings of the DNA Markers Conference 21-23 August 1996, IITA, PMB 5320 Ibadan, NIGERIA.

Jagtap, S.S. 1995. Handbook for use of Resource Information System (RIS 5) interactive and user friendly geographic data analysis on personal computers. Agroecological Studies Unit, the International Institute of Tropical Agriculture, Ibadan, Nigeria.

Jagtap, S.S. 1995. Georeferenced Data Bases Directory. Agroecological Studies Unit, the International Institute of Tropical Agriculture, Ibadan, Nigeria.

Jagtap, S.S. 1993. Diagnostic survey site selection using GIS for effective biological and integrated control of highland banana pests. Proceedings of "Biological and Integrated Control of Highland Banana and Plantain Pests and Diseases". Ed. C.S. Gold and B. gemmill, IITA, PMB 5320, Ibadan, Nigeria

Jagtap, S.S. and R.J. Carsky, 1993. Quantitative assessment of sorghum production environment in Northern Cameroon: Integrating data bases, crop models and GIS, ASAE paper #933562, ASAE, St. Joseph Michigan 49085-9659 USA.

Resource Management in fragile ecosystems (8)

J agtap, S. S. and Amissah-Arthur, A., 1998. Stratification and synthesis of Crop-Livestock production systems using GIS. GeoJournal , 47:573-582.

Singh, B.N., Fagade, S., Ukwungwu, M. N., Williams, C., Jagtap, S.S., Oladimeji, O., Efisue A., Okhidievbie, O., 1997. Rice growing environments and biophysical constraints in different agroecological zones of Nigeria, Met. J. 2(1):35-44

Jagtap, S.S. 1995. Environmental characterization of the moist lowland savanna of Africa. Moist Savannas of Africa: Potentials and Constraints for Production. Eds (B.T. Kang, I.O. Akobundu, V.M. Manyong, R.J. Carsky, N. Sanginga and E.A. Kueneman). Proceedings of the International Workshop held at Cotonou, Republic of Benin, 19-23 September 1994. Produced by International Institute of Tropical Agriculture, Ibadan 1995.

Manyong, V.M., J. Smith, G.K. Weber, S.S. Jagtap, and B. Oyewole, 1995. Macrocharacterization of Agricultural Systems in West Africa: An Overview, Res. and Crop Mngmt Research Monograph No. 21, International Institute of Tropical Agriculture, Ibadan 1995.

Manyong, V.M., J. Smith, G.K. Weber, S.S. Jagtap, and B. Oyewole, 1995. Macrocharacterization of Agricultural Systems in Central Africa: An Overview, Res. and Crop Mngmt Research Monograph No. 22, International Institute of Tropical Agriculture, Ibadan 1995.

Jagtap, S. S., 1993. Inland valley agro-ecosystems research at the International Institute of Tropical Agriculture. Proc. Of the 1^st annual workshop of the Inland Valley Consortium WARDA, Bouake, Cote d’Ivoire, June 8-10,93.

Jagtap, S.S.1991. Resource Inventory applications for identifying sustainable agricultural Issues in Africa. ASAE paper #91-5533, ASAE, St. Joseph Michigan 49085-9659 USA.

Jagtap, S.S., J.W. Jones, G. Uehara, and G.Y. Tsuji, 1989. Decision Support System for Crop Zoning. ASAE Paper No.89-4042. ASAE International Summary meeting, Quebec City, Canada 25-29 June 1989.

Systems Simulation for soil fertility management & technology transfer

Jagtap, S. S., Abamu, F., Kling, J., 1999. Longterm assessment of nitrogen and variety technologies on attainable maize yields in Nigeria using CERES-Maize. Agricultural Systems, 60:77-86
Amissah-Arthur, A., S.S. Jagtap. 1997. Climatic Variability and its Effects on Inter-Seasonal Variation in Yields and Reliability of Maize Cropping- A Simulation Study for Nigeria. Agricultural and Forest Meteorology (In review).

Jagtap S. S. and G. Lawson. 1996. Data availability and applications for Agroforestry Models in Nigeria and the AFNETA Networks. Pg 158-164 in Agroforestry Modeling, Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB

Amissah-Arthur, A., and S.S. Jagtap. 1995. Application of Models and Geographic Information System Based Decision Support System in Analysing the Effect of Rainfall on Maize Yield Stability. Sustain Africa (3):2-15

Jagtap, S.S. 1995. Strategy for using a soybean crop model in analysis of regional resource management issues: A case study of sub-saharan Africa. A paper presented at the Systems Approaches for Agricultural Development Symposium held at IRRI in Los Banos, Manila, the Philippines, 6-8 December, 1995.

Jagtap, S.S. 1994. The use of systems analysis at International and program levels: IITA's experience. In "Opportunities for use of systems research methods in agriculture in developing countries" Ed. Goldsworthy, P and F. Penning de Vries. Kluwer Academic Publishers, Dordrecht/Boston/London.

Jagtap, S. S., M. Mornu, and B.T. Kang. 1993. Simulation of Growth, Development, and Yield of Maize in the Transition Zone of Nigeria. Agricultural Systems 41(1993): 215-229.

Jones, J.W., K.J. Boote, S.S. Jagtap, J.W. Mishoe, 1991. Soybean Phenology. In. Modelling Plant and Soil Systems. Ed. by R.J. Hanks and J.T. Ritchie. ASA Monograph No. 31, American Socoety of Agronomy, Madison, Wisconsin, USA

Jagtap, S.S., J.W. Jones, 1987. Risk assessment using crop simulation models and expert systems. ASAE Paper No.87-2334. Presented at the 1987 International Winter Meeting of the American Society of Agricultural Engineers, St. Joseph MI.

Jones, J.W., K. J. Boote, S.S. Jagtap, G. Hoogenboom, G.G. Wilkerson, 1989. SOYGRO V5.42 Soybean Crop Growth Simulation Model: Users Guide. Florida Agricultural Experiment Station Journal No.8304. Agricultural Engineering Department and Agronomy Department University of Florida, Gainesville, Florida 32611, and IBSNAT Project, Department of Agronomy and Soil Science, University of Hawaii, Honolulu, Hawaii 96822.

Jones, J.W., K. J. Boote, S. S. Jagtap, G. Hoogenboom, G.G. Wilkerson, 1988. SOYGRO V5.41 Soybean Crop Growth Simulation Model: Users Guide. Florida Agricultural Experiment Station Journal No.8304. Agricultural Engineering Department and Agronomy Department University of Florida, Gainesville, Florida 32611, and IBSNAT Project, Department of Agronomy and Soil Science, University of Hawaii, Honolulu, Hawaii 96822.

Jones, J.W., K.J. Boote, S.S. Jagtap, G. Hoogenboom, G.G. Wilkerson, 1987. SOYGRO V5.4 Soybean Crop Growth Simulation Model: Users Guide. Florida Agricultural Experiment Station Journal No.8304. Agricultural Engineering Department and Agronomy Department University of Florida, Gainesville, Florida 32611, and IBSNAT Project, Department of Agronomy and Soil Science, University of Hawaii, Honolulu, Hawaii 96822.

Boote, K.J., J.W. Jones, G. Hoogenboom, G.G. Wilkerson, S.S. Jagtap, 1988. PEANUTGRO V1.1 Peanut Crop Growth Simulation Model: Users Guide. Florida Agricultural Experiment Station Journal No.8420. Agricultural Engineering Department and Agronomy Department University of Florida, Gainesville, Florida 32611, and IBSNAT Project, Department of Agronomy and Soil Science, University of Hawaii, Honolulu, Hawaii 96822.

Jones, J.W., K.J. Boote, J.W. Mishoe, G.G. Wilkerson, and S.S. Jagtap, 1986. SOYGRO V5.3: Soybean Crop Growth and Yield Model. IBSNAT Version, Technical Documentation, University of Hawaii.

IBSNAT 1986. Decision Support System for Agrotechnology Transfer: Documentation for IBSNAT Crop Model input and output files, Version 1.0. IBSNAT Technical Report 5, IBSNAT, University of Hawaii.

D.C. Godwin, J.B. Dent, S.S. Jagtap, J. Ritchie, U. Singh and G. Uehara. 1989. Application of IBSNAT's DSSAT in risk assessment and strategy evaluation. 1988 Annual Meetings, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Las Vegas, October 15-20, 1989.

Jagtap, S.S., L.H. Hunt, J.W. Jones, K.J. Boote. 1989. Intelligent estimator of genetic coefficient for IBSNAT crop models. 1989 Annual Meetings, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Las Vegas, October 15-20, 1989.

Jones, J.W. , S. S. Jagtap, G. Hoogenboom, and G.Tsuji. 1989. The structure and function of the DSSAT. 1989 Annual Meetings, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Las Vegas, October 15-20, 1989.

Boote, K.J., G. Bourgeois, J. Goudriann, S.S. Jagtap, J.W. Jones. 1988. Light interception and photosynthesis of incomplete hedgerow canopies of soybean and peanut. Crop science division abstract, page 105. Agronomy Abstracts, 1988 Annual Meetings, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America. Anaheim, California November 27 - December 2, 1988.

Jagtap, S.S., 1987. Solving for coefficients of photoperiod response for soybean cultivars based on field observations. Presented at the 1987 Southern Regional Information Exchange Group Meeting, Mississippi State University, Mississippi State.

Jagtap, S.S. and J.W. Jones, 1986. Estimated crop coefficient for soybean under different irrigation management practices. Forty-sixth Annual Meeting of the Soil and Crop Science Society of Florida, Longboat Key, Florida.

Jones, J.W., K.J. Boote, J.W. Mishoe, G.G. Wilkerson, and S.S. Jagtap, 1986. V5.3: Soybean Crop Growth and Yield Model. IBSNAT Version, Technical Documentation, University of Hawaii.

Jones, J.W., G. Hoogenboom, and S.S. Jagtap, 1986. A minimum data set as implemented in the soybean crop growth model SOYGRO. Agronomy Abstracts 1986, p.51.

Hoogenboom, G., J.W. Jones, S.S. Jagtap, and K.J. Boote, 1985. Modelling growth and yield of beans using soybean as an example. Presented at the Annual Meeting of the Bean Improvement Cooperative, Portland, Oregon.

Climate Change: Modeling & Analysis

Jagtap, S. S. and A. K. Chan, 2000. Agro meteorological aspects of agriculture in the sub-humid and humid zones of Africa and Asia. Agricultural and Forest Meteorology, 103(2000):59-72

Jagtap, S. S., 1998. Mitigating Effects of Climatic Variability on Food Production, IITA, Ibadan, Nigeria(Book, In Press)

Jagtap, S. S., Abamu, F., 1998. Flexible nitrogen fertilizer management strategies in response to seasonal forecasts Agricultural Systems (in review)

Jagtap, S.S., R. T. Alabi, 1998. Adaptattion of five diurnal temperature models to three agroecological zones in West Africa. Theoretical & Applied Climatology (in review)

Jagtap, S. S. (Guest Editor), 1997. Mitigating Effects of Climatic Variability on Food Production:Special Issue, The Nigerian Meteorological Society Journal 2:1, 1997.

Amissah-Arthur, A., S. S. Jagtap. 1997. Geographic Variation in Growing Season Rainfall in Nigeria - an Analysis of Three Decades. Theoretical and Applied Climatology 63(1-2):107-116.

Amissah-Arthur, A., and S.S. Jagtap. 1997. Application of Models and Geographic Information System Based Decision Support System in Analyzing the Effect of Rainfall on Maize Yield Stability. Pp. 4-9, vol.2 in Sustain Africa: Implications of Climate Change Global Warming and Environmental Degradation in Africa (Eds S.O. Ojo and J.E. Ukeje). Proceedings of an International Conference. Nigerian Meteorological Society, Lagos.

Jagtap, S. S. and R. T. Alabi. 1996. Reliability of daily, weekly and monthly grass evapotranspiration using hourly estimates by Penman method in three agroecological zones of West Africa, Met. J. (1):59-67.

Jagtap, S. S. 1996. Modelling the impact of climate change on productivity of key crops. A paper presented at the Conference on Mitigating the Effects of Climatic Variability on Food Production, 24-25 October, 1996, IITA, PMB 5320 Ibadan, NIGERIA.

Jagtap, S.S. 1995. Changes in annual, seasonal and monthly rainfall in Nigeria during 1961-1990 and consequences for agriculture. Discovery and Innovations, 7(4):337-348.