Place and season effect on yields and strach contentof 38 kind of sweetpotatoes
Bosewell, V.R.
Place and season effect on yields and strach contentof 38 kind of sweetpotatoes - Washington 1944 - 1-15 p. - United State Department of Ag .
Place and season effect on yields and strach contentof 38 kind of sweetpotatoes - Washington 1944 - 1-15 p. - United State Department of Ag .