TY - JOUR AU - Thomsen, Craig D. AU - Williams, William A. AU - George, Melvin AU - McHenry, W. B. AU - Bell, Fremont L. AU - Knight, Ronald S. TI - Managing yellow starthistle on rangeland JF - California Agriculture JO - Calif Agr Y1 - 1989/09/01 VL - 43 IS - 5 SP - 4 EP - 7 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v043n05p4 AB - Intensive cattle grazing in May and June reduced yellow starthistle plant size, summer and fall canopy size, and seed production in the first year of a 3-year, northern California study. Combining grazing and herbicide applications caused large reductions. Abundant late rains favored yellow starthistle growth.