1. Introduction to Potato Production;Beukema,1990
2. Mechanical control of legume cover crops;Dabney,1991
3. Cover cropping in potato productionhttp://eap.mcgill.ca/publications/EAP71.htm
4. Evaluating cover crops for benefits, costs, and performance within cropping system niches;Snapp;Agron. J.,2005
5. Cover crops, smother plants, and weed management;Teasdale,1998