Plant and Soil Science
by Emily Kilmer
1. Food
1.1. Row crops
1.2. Produce
1.3. Orchards
2. Fiber
2.1. Animal feed
2.2. Cotton
2.3. Hemp
3. Conservation
3.1. Organic matter
3.2. Soil health
3.3. Microorganisms
4. By-products
4.1. E-85
4.2. Straw
4.3. Potting-Soil