For self-studying

I. Tests 28

II. Texts 34

Insects and Insecticides 34

Care of Sow and Pigs 36

Grains and Grain By-Products 37

Wheat 38

Vegetable Gardening 39

Potato Growing 40

Insect Enemies of Potatoes 42

Diseases of Potatoes 44

Fruits and Berries 45

Advantages of Red Clover 46

Alfalfa 47

AGRICULTURE

Humans are not above nature but a part of it. Nature

is not for humans to subdue but is sacred and should

be preserved not simply for economic use but for its

own sake (John Muir, Aldo Leopold).