Practical work with the codling moth and with a combined insecticide and fungicide
Washburn, F.L.
Practical work with the codling moth and with a combined insecticide and fungicide - Oregon 1891 - 1-34 p. - Insecticide, Fungicide Oregon Agricultural Experiment Station. Bulletin No. 10 .
Practical work with the codling moth and with a combined insecticide and fungicide - Oregon 1891 - 1-34 p. - Insecticide, Fungicide Oregon Agricultural Experiment Station. Bulletin No. 10 .