TY - JOUR AU - Grattan, Stephen R. AU - Schwankl, Lawrence J. AU - Lanini, W. Thomas TI - Weed control by subsurface drip irrigation JF - California Agriculture JO - Calif Agr Y1 - 1988/05/01 VL - 42 IS - 3 SP - 22 EP - 24 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v042n03p22 AB - Most California growers on irrigated farmland rely on the application of synthetic chemicals to control weeds. Although these chemicals are effective, there are increasing concerns about the long-term effects such materials may have on the quality of soil and water.