Rear view of pulverator plow. Note action of rotary moldboard upon sod in shaking soil from root mass.

Surface after planting. Tillage consisted of pulverator plow (2 bottom-rotary moldboard) and light spring tooth harrowing. 90-95% kill of perennials.

Close-up of clips (safety) holding flexible connector to delivery tube. Deep lime machine.

Plot prepared by sub-surface sweeps to depth of 7" - followed by heavy discing - corn planter marks showing.

View of ground surface following application of lime in bands 2 feet apart to 12 inch depth with experimental deep lime placement machine. Surface will be prepared for alfalfa.

Plot 9 (1947). View of residual mulch on Roto Tiller plot immediately after tillage. Two strips 2" & 3" - total 5".

Rear view of right hand bottom on pulverator (rotary mold-board plow). Wood strip denotes bottom of landside and share. Note: Chisel teeth extending 3" below plow sole.

End view of plot plowed with TNT plow. 3" top furrow slice and 4" sub-base slice. Followed by spring tooth harrow two weeks later and compacted with rotary hoe operated backwards - rotary hoe cultivation.

Plot 20 (1947). Oliver TNT plow. 3" top cut. 4" bottom cut with sub base. Prior to final tillage.

Photograph shows snow blown off of plowed field. A large deposit of dust due to wind erosion on snowdrift at right.