For sustainable crop production in semi-arid environments with low and erratic rainfall (
Bruneau, P.; Twowlow, S. Hydrological and Physical Responses of a Semi-arid Sandy Soil to Tillage. Journal of Agricultural Engineering Research (1999) 72 (4) 385-391. [DOI: 10.1006/jaer.1998.0384]
Hydrological and physical responses of a semi-arid sandy soil to tillage.