Analysis of net returns to conservation tillage systems for corn and soybeans in
William, J.R.
Analysis of net returns to conservation tillage systems for corn and soybeans in - Kansas 1989 - 27 p. - No. 654; Kansas Agricultural E .
631.165:631.51.021:633.174(781
Analysis of net returns to conservation tillage systems for corn and soybeans in - Kansas 1989 - 27 p. - No. 654; Kansas Agricultural E .
631.165:631.51.021:633.174(781