Tillage, Manure Management, and Water Quality
Tillage and manure application practices significantly impact surface and ground water quality in Iowa and other Midwestern states. Tillage and manure application that incorporates resi ...
Manure and Tillage Management
Conservation tillage systems are critical components of a sound conservation plan. Good residue cover is valuable in reducing soil erosion due to surface runoff compared to an unprotect ...
Managing Manure Nutrients for Crop Production
Each year Iowa livestock produce enough nitrogen (N), phosphorus (P), and potassium (K) to supply 13 pounds of N, 13 pounds of P and 21 pounds of K2O for every acre of corn The manure i ...