Commercial agricultural and vegetable seeds, 1953 : Economic poisons, 1953
Trask, H.W., Tobey, E.R.
Commercial agricultural and vegetable seeds, 1953 : Economic poisons, 1953 - Orono 1953 - 1-36 p. - No. 230 Maine Agricultural Experiment Station, Official Ins .
Vegetable Seeds
Commercial agricultural and vegetable seeds, 1953 : Economic poisons, 1953 - Orono 1953 - 1-36 p. - No. 230 Maine Agricultural Experiment Station, Official Ins .
Vegetable Seeds