TY - JOUR AU - Wichelns, Dennis AU - Howitt, Richard E. AU - Horner, Gerald L. AU - Nelson, Daniel TI - The economic effects of salinity and drainage problems JF - California Agriculture JO - Calif Agr Y1 - 1988/01/01 VL - 42 IS - 1 SP - 10 EP - 13 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v042n01p10 AB - Cropping patterns and yields change markedly