 Grandpa had more organic matter than you do. All tillage tools destroy soil structure. All tillage tools decrease water infiltration. All tillage tools reduce organic matter. All tillage tools increase weeds. 27,000 gallons of water with 1% organic matter and 6 inches of soil. That's a fourth of an inch of water. If we can increase the organic matter by 4%, we put in an extra inch in the top six inches and extra two inches in the top foot. Grandpa had more organic matter than you do.