TY - JOUR AU - Wildman, William E. AU - Krueger, William H. AU - Pelton, Richard E. TI - Calcium amendments for water penetration in flooding systems JF - California Agriculture JO - Calif Agr Y1 - 1989/05/01 VL - 43 IS - 3 SP - 14 EP - 15 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v043n03p14 AB - Dissolved gypsum and calcium nitrate each increased infiltration rates over the control for each of the 15 irrigations to which they were added. An equivalent amount of gypsum spread on the surface at the beginning of the experiment had the same beneficial effect for only 10 irrigations.