170 Acres in Carneros, St. Helena, Rutherford
Variable by site location, but generally flat
French Hoe Plow Disc Harrow Hand-work: shovels
1 Early (Mar or Apr) pass with french plow
1 Later pass to disc back the soil and smother the next round of weeds
1 Spot shovel pass to address misses, end vines/posts, and aesthetics
Yes. Standard practice is to disc in the alley. Small no-till experimental plot.
Not of major concern away from the winery.
Tractor, Hoe Plow: 380 hours/ 170 acres= 2.2 hours/Acre
Tractor, Disc: 290 hours/ 170 acres= 1.7 hours/Acre
Handwork, Shovels: 55 hours/ 170 acres= .32 hours/Acre
*Assuming $25/hr* Annual undervine costs= $105.5/Acre/Year