Crop rotations and nitrogen - crop sequence comparison on soils of the driftless area of southwestern Wisconsin 1967-1974
Higgs, R.L.; Paulson, W.H.; Pendelton, J.W.; Peterson, A.F.; Jackobs, J.A.; Shrader, W.D.
Research Bulletin, College of Agricultural and Life Sciences, University of Wisconsin (R2761): 12
In field trials on Rozetta silt loam soil at Lancaster, Wisconsin in 1967-74, crop sequences compared were continuous maize, maize/soyabeans/maize/oats/lucerne, maize/maize/maize/oats/lucerne, maize/maize/oats/lucerne/lucerne and maize/oats/lucerne/lucerne/lucerne. N was applied to the maize in each rotation at rates of 75, 150 or 300 lb/ac yr. Av. grain yield for 1st-yr maize was 136 bu/ac, compared with 128 bu/ac for maize following maize.