We currently have about 20 various cover crops varieties planted in a small trails location. planted I believe mid to late may. about 15 foot rows at 22″ spacing. Cowpeas, lupines, fava beans, radishes, vetches, soybeans, mustards, mung beans, etc. They goal was to look at phenotype expression under north cenral irrigated sandy soils. We would be happy to share some our initial anecdotal impressions.