1. Crop evapotranspiration (guidelines for computing crop water requirements);Allen,1998
2. Characterization of soil water retention of a very gravelly loam soil varied with determination method;Al-Yahyai;Soil Sci.,2006
3. ASABE, 2003. Procedure for sprinkler distribution testing for research purposes. Standard ANSI/ASAE S330, February 1, 2003, Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan (http://www.asabe.org).
4. Miscible displacement and leaching phenomenon;Biggar;Agronomy,1967
5. Bulk density;Blake,1986