CSA crops must be produced using one or more CSA practices:

1. (a) Field corn produced using no-till, reduced till, cover crops, nitrification inhibitors, split in-season nitrogen application, or no fall nitrogen application;
2. (b) Soybeans produced using no-till, reduced till, cover crops, or nitrification inhibitors; or
3. (c) Sorghum produced using no-till, reduced till, cover crops, nitrificiation inhibitors, or split in-season nitrogen application.