TY - JOUR AU - Hanson, Blaine R. TI - Effects of increasing drainage in the San Joaquin Valley JF - California Agriculture JO - Calif Agr Y1 - 1984/10/01 VL - 38 IS - 10 SP - 40 EP - 41 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v038n10p40 AB - Not available – first paragraph follows: Most soil salinity problems in the San Joaquin Valley are directly related to shallow saline water tables. Where no such water tables exist, soil salinity problems usually do not occur, because irrigation water used in the Valley is generally very low in salts.