Close-up of chisel sub base under rotary moldboard plow (pulverator). Sweep base shown at left.

Plot 11 - 3 bottom. Furgusson wheat land type sweeps. At time of tillage the sweeps failed to penetrate adequately the heavy sod. Note that approximately 40 percent of the stand has poor foliage and high weed count.

Plot 5. Single ripper about April 1st. No disk. Nitrate of soda applied as July side dressing at rate of 150 pounds per acre. Note stand height. Compare with photo of Plot 20.

Plot 18. Turn plow check plot. Note freedom from weed and evidence of sheet erosion. Slight rilling.

Plot 13. VPI double plow sweep plot. Note moderate stand and weed count. Erosion held at minimum.

Harvesting hay from watershed area - Blacksburg. Note establishment of contour strips.

View up W-III draw - camera located on apron of gaging station. Note that strips have not yet been established at top of hill adjacent to R-II.

Original W-I weir, Blacksburg, Va.

Photo of channel in open field with hat and camera box for scale.

Photo of wooded area.