Posted 4/18/2015 18:18 (#4523384 - in reply to #4523377) Subject: RE: What is the proper vac reading when using 20/20.....
Between Omaha and Des Moines, 7 miles South of I80
OK,
ignore those JD charts, that I added, for corn.
This will be my first year, with Precision E-set corn disc, but on the test bench meter, for mine, it was the same for 18" as 20" of vacuum. ( I Haven't planted anything, yet)