Browse on keywords: economics WA minimum tillage
Search results on 01/23/18
2625. Hoag, D., H. Hinman and T. Hoffman. 1984. 1984 costs of alternative tillage systems, Central Whitman Co., WA. WSU Ext. Serv., Ext. Bull. #850.
Compares the cost of conventional and minimum tillage for a summer fallow-winter wheat-spring barley rotation. 15 to 18 inches of annual precip.