Insect Pests of Stored Grain and Grain Products: Identification, Habits and Methods of ControlBurgess Publishing Company, 1941 - 242 หน้า |
ฉบับอื่นๆ - ดูทั้งหมด
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Angoumois applied atmospheric vaults bins breeding building Bull bushels cadelle calcium cyanide canister carbon dioxide carbon disulphide carbon tetrachloride cent chemical chloropicrin clean commodities concentrations confused flour beetle conveyors corn Cotton cubic feet cylinders damage dosage dust Econ effect elevator boots ethylene dichloride ethylene oxide exposure Farm feed feet of space floor flour mills fumi fumigant gallon gas mask gases grain and milled grain beetle Grain Insects grain stream granary weevil heat hydrocyanic acid gas illus infesting insects insect infestation insect pests insecticidal Jour kernels kill larvae liquid hydrocyanic acid machinery meal worm method methyl bromide methyl formate milled cereal products milling units mixture moisture content oxygen penetration pests of stored pounds pressure quantity removed rice weevil sifter sodium cyanide species spouts spray nozzles storage stored grain sulphur tank temperature tion toxic treatment Tribolium confusum U. S. Dept vapors warehouse wheat