Citation: C. Scholes et al., VELVETLEAF (ABUTILON-THEOPHRASTI) EFFECT ON CORN (ZEA-MAYS) GROWTH AND YIELD IN SOUTH-DAKOTA, Weed technology, 9(4), 1995, pp. 665-668
Citation: De. Clay et al., NITRATE MOVEMENT AFTER ANHYDROUS AMMONIA APPLICATION IN A RIDGE-TILLAGE SYSTEM, Journal of environmental quality, 23(1), 1994, pp. 9-13