Design (short description):
Two sets of plots: [[1]] The 741 series which is continuous corn only and consists of 12 plots (4 reps of 3 tillages, randomized) with 8 rows of corn. Plot size is ~20 ft wide x 120 ft long. [[2]] The 731-732 series which are called the rotational plots consists of 54 plots with 3 reps of 3 tillages with 3 rotations. The rotation of corn-soybean has a plot of each crop for every year and the rotation of corn-oats-meadow (hay) has a plot of each crop for every year. The continuous corn plots of course, retain the same crop year to year. The experimental design is a split plot with tillage being assigned to whole plots and rotation assigned to subplots. Plot size is ~ 15 ft wide (6 rows of corn) x ~ 80 ft long. The plots exist in two ranges which are separated by a grass alley. The field is bordered by a wooded area which we currently use as a comparative background soil.