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Biology of the tobacco moth and its control in closed storage
Miscellaneous conifers of the Rocky Mountain region
The freezing temperatures of some fruits, vegetables, and florists' stocks
The European chafer
Skiing. The National Forests - America's playgrounds
Some mushroom diseases and their carriers
Wound dressings on apple trees
Woods burning in the South
Using honey bees to pollinate crops
Soil-depleting, soil-conserving, and soil-building crops