Control of Apple Maggot by Poisoned Bait Spray Henry Herman Paul Severin Published: 1916 Total Pages: 32 Get eBook
A Study of the Biology of the Apple Maggot (Rhagoletis Pomonella), Together with an Investigation of Methods of Control James Franklin Illingworth Published: 1912 Total Pages: 92 Get eBook
Experiment Station Record United States. Office of Experiment Stations Published: 1939 Total Pages: 2162 Get eBook
Experiment Station Record U.S. Office of Experiment Stations Published: 1934 Total Pages: 1092 Get eBook
Annual Report of the Maine Agricultural Experiment Station Maine Agricultural Experiment Station Published: 1917 Total Pages: 764 Get eBook
Report of the Minister of Agriculture for the Dominion of Canada for the Year Ended March 31 Canada. Department of Agriculture Published: 1926 Total Pages: 130 Get eBook