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Bacteria and the Pure Food Law
Rats and mice destroyers of grain and food
Fertilizers, soil analysis and plant nutrition
Food of the woodpeckers of the United States
Food of our more important flycatchers
Birds known to eat the boll weevil
Federal-grant research at the state agricultural experiment stations : projects on plant physiology and nutrition Part 18
Nutrient content of grasses growing on four range sites in south Texas
Circular on the food-habits of birds
Plan for cooperating in the study of available plant food