1. Determining water requirements of irrigated areas from climatological and irrigation data;Blaney;U.S. Department of Agriculture, Soil Conservation Service Technical Bulletin,1950
2. Irrigation scheduling with soil instruments: Error levels and microprocessing design criteria;Cary,1981
3. Plant measurements as indicators of moisture;Clark,1971
4. Crop water requirements;Doorenbos,1977
5. Irrigation scheduling using tensiometers in sandy soils;Dorn,1984