Forces of nature and the farmer, 5.

Forest soils, 29.

Foundation facts and principles of agriculture, 22.

Free water in the soil, 48, 153.
injurious to roots, 153.
source of capillary and film water, 153.

Fresno sand, 28.

Fruit, 8, 136.

Fruit soils, 29.

Fruits, 27.

Furrow slice, 96.


Gas lime, 201.

Geranium, 6.

Germinating seeds,
need air, 73.
need heat, 73.
need water, 71.