Modeling Yields from Rainfall and Supplemental Irrigation
Publication: Journal of Irrigation and Drainage Engineering
Volume 115, Issue 2
Abstract
Frequently, the area of good soils suitable for irrigation far exceeds that for which adequate water is available for maximum crop production. Decisions and/or policies are often required relative to how much land should be irrigated with limited water supplies or the level of deficit irrigation desirable. The use of crop‐yield models provides a tool for determining how best to combine benefits from rainfall and irrigation. Some developments are described that facilitate the modeling of crop yields. A method that requires only temperature measurements for reliable estimates of potential evapotranspiration facilitates modeling at many locations where more complete climatic data are not available. A weather simulation procedure that provides good results without local calibration and requires only monthly climatic input makes it possible to develop a worldwide climatic data base for use with the existing crop‐yield models that otherwise require the availability of daily climatic data. Estimated probable relative yields for rain‐fed agriculture, and with one irrigation and with two irrigations, are calculated with a yield model operated with actual daily data and with data synthesized from a monthly climatic data base. The difference in yields calculated from historical data and synthesized data varies from 0 to 17%.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Agroclimatological data—Africa. (1984). Vols. 1 and 2, Food and Agriculture Organization of the United Nations, Rome, Italy.
2.
Agroclimatological data for Latin America and the Carribbean. (1985). Food and Agriculture Organization of the United Nations, Rome, Italy.
3.
Hanks, R. J. (1974). “Model for predicting plant growth as influenced by evapotranspiration and soil water.” Agronomy J., 66(5), 660–664.
4.
Hargreaves, G. L., Hargreaves, G. H., and Riley, J. P. (1985). “Irrigation water requirements for Senegal River Basin.” J. Irrig. and Drain. Engrg., ASCE, 111(3), 265–275.
5.
Hargreaves, G. H., and Samani, Z. A. (1984). “Economic considerations of deficit irrigation.” J. Irrig. and Drain. Engrg., ASCE, 110(4), 343–358.
6.
Hargreaves, G. H., and Samani, Z. A. (1985). “Reference crop evapotranspiration from temperature.” Appl. Engrg. in Agric. (Trans. ASAE), 1(2), 96–99.
7.
Hargreaves, G. H., and Samani, Z. A. (1986). World water for agriculture—precipitation management. Int. Irrig. Ctr., Dept. of Agric. and Irrig. Engrg., Utah State Univ., Logan, Utah.
8.
Hargreaves, G. H., and Samani, Z. A. (1988). “Estimation of standard deviation of potential evapotranspiration.” J. Irrig. and Drain. Engrg., ASCE, 114(1), 175–180.
9.
Jones, C. A., and Kiniry, J. R., Eds. (1986). CERES‐Maize, a simulation model of maize growth and development. Texas A & M University Press, College Station, Tex.
10.
Keller, A. A. (1982). “Development and analysis of an irrigation scheduling program with emphasis on forecasting consumptive use,” thesis presented to Utah State Univ., Logan, Utah, in partial fulfillment of the requirements for the degree of Master of Science.
11.
Keller, A. A. (1987). “Modeling command area demand and response to water delivered by the main system,” dissertation presented to Utah State University, Logan, Utah, in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
12.
Samani, Z. A., et al. (1987). “Estimating crop yields from simulated daily weather data.” Appl. Engrg. in Agric, 3(2), 290–294.
13.
Tables of temperature relative humidity, precipitation and sunshine for the world. Part I. North America and Greenland. (1980). Her Majesty's Stationery Office (Government Bookshops), London, United Kingdom.
14.
Tables of temperature relative humidity, precipitation and sunshine for the world. Part II. Central and South America, the West Indies and Bermuda. (1978). Her Majesty's Stationery Office (Government Bookshops), London, United Kingdom.
15.
Tables of temperature relative humidity, precipitation and sunshine for the world. Part TV, Africa, the Atlantic Ocean south of 35° N and the Indian Ocean. (1983). Her Majesty's Stationery Office (Government Bookshops), London, United Kingdom.
16.
Tables of temperature relative humidity, precipitation and sunshine for the world. Part V. Asia. (1978). Her Majesty's Stationery Office (Government Bookshops), London, United Kingdom.
17.
Zuniga, E. M. (1987). “Crop model evaluation of precipitation, planting date, and nitrogen application interaction effects on corn yields in Central America,” dissertation presented to Utah State University, Logan, Utah, in partial fulfillment of the requirement for the degree of Doctor of Philosophy.
Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 115 • Issue 2 • April 1989
Pages: 239 - 247
Copyright
Copyright © 1989 ASCE.
History
Published online: Apr 1, 1989
Published in print: Apr 1989
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.