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Factors affecting yields of winter wheat grain and forage in the southern Great Plains
Proceedings of the seventeenth annual meeting of the Association of Economic Entomologists
Insect damage to corn in three Southeastern States at time of harvest and in farm storage
20 years' progress of Au Sable Forest Products Association
Processing, storage, and selected storage service costs for Maryland tobacco in commercial facilities, 1966-67 and estimated 1968
The Laws in force against injurious insects and foul brood in the United States
Tobacco in Ontario, Canada
Summary of activities fiscal year 1964, Plant Quarantine Division
Preliminary report on the insect enemies of forests in the Northwest : An account of the results gained from a reconnaissance trip made in the spring…
Regulations governing inspection and certification of processed fruits and vegetables and related products