Hessian fly control in Indiana
Larrimer, W.H., Packard, C.M.
Hessian fly control in Indiana - USA 1929 - 1-11 p. - Purdue Agricultural Experiment Station. Circular No. 167 .
Hessian fly control in Indiana - USA 1929 - 1-11 p. - Purdue Agricultural Experiment Station. Circular No. 167 .