Treatment Information

This project has 8 distinct treatments (12 if you separate by corn and soybeans). In treatments 1, 2, 5, and 6, plots will alternate between corn and soybeans every other year. The crop growing in plots of those treatments is denoted in the data files by “1S”, “1C”, etc.

2021 Treatment table

Here’s a summary of the treatments in 2021:

System	Application Timings and Souce of N	Crop in 2021	Plot	Tillage	N Rate (lb/ac)
1	Spring UAN	Soy Corn	29, 10, 15 28, 3, 24	No-till	0 150
2	Spring Manure	Soy Corn	30, 1, 17 27, 11, 23	No-till	0 150
3.1	Fall Manure	Continuous Corn	18, 4, 33	Strip-till	200
3.2	Fall Manure	Continuous Corn + Early Interseeded Cover	32, 6, 36	Strip-till	200
4.1	Fall Manure	Continuous Corn + PGC	5, 21, 26	Strip-till	200
4.2	Fall Manure	Continuous Corn 60’’ rows + Early Interseeded Cover	22, 13, 35	Strip-till	200
5	Fall Manure	Soy + Cereal Rye Corn + Cereal Rye	19, 9, 8 17, 12, 34	No-till	0 150
6	Fall Manure	Soy Corn	20, 2, 16 31, 14, 25	No-till	0 150