Spraying, dusting and fumigating of plants: principles and applications
Hough, Walter S.
Spraying, dusting and fumigating of plants: principles and applications - revised edition - New York The macmillan company 1951 - ix, 726 p.
632.934 J1
Spraying, dusting and fumigating of plants: principles and applications - revised edition - New York The macmillan company 1951 - ix, 726 p.
632.934 J1