Abstract
This work will evaluate the effect of green manures in suppressing weeds. The experiment will be installed at Center for Agricultural Sciences / UFSCar - Araras, SP. The experimental design is randomized blocks in factorial scheme (3 x 2), with three species of green manures: Crotalaria spectabilis, Mucuna cinerea, Sorghum bicolor, and two straw managements ( kept on the soil surface or i…