Development of cereal/legumes association in DMC system with smallholder farmers needs to provide direct economic benefits in addition to soil fertility improvement and weed control. Thus, no till maize associated with pigeon pea (Cajanus cajan) has been promoted in Sayaboury province of Lao PDR in order to improve the conventional maize monocropping system,provide farmers with additional raw material for pig raising and reduce local dependence on imported soybean meal.