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Wound dressings on apple trees
Woods burning in the South
Using honey bees to pollinate crops
Soil-depleting, soil-conserving, and soil-building crops
The normal breeding season and gestation period of martens
Crested wheatgrass
Cockroaches : how to control them
Horse bots : how to control them
The commercial storage of fruits, vegetables, and florists' stocks
An improved type of pressure tester for the determination of fruit maturity