| effects of a killed-cover crop mulching system on sweetpotato production, soil pests, and insect predators in south carolina. | sweetpotatoes, ipomoea batatas (l.) lam. (convolvulaceae), are typically grown on bare soil where weeds and erosion can be serious problems. conservation tillage systems using cover crop residues as mulch can help reduce these problems, but little is known about how conservation tillage affects yield and quality of sweetpotato or how these systems impact populations of beneficial and pest insects. therefore, field experiments were conducted at the u.s. vegetable laboratory, charleston, sc, in 20 ... | 2008 | 19133469 |