Soil

1. Physical Properties

1.1. Color

1.2. Texture

1.3. Structure

1.4. Water-Holding Capacity

2. Particle Types

2.1. Clay

2.2. Coarse Sand

2.3. Fine Sand

2.4. Medium Sand

2.5. Silt

2.6. Very Coarse Sand

2.7. Very fine sand

3. Organic Matter

3.1. Compost

3.2. Corncobs

3.3. Hay

3.4. Leaves

3.5. Sawdust

3.6. Straw

3.7. Woodchips

4. Soil Life

4.1. Vertebrates

4.2. Insects & Arthropods

4.3. Plants

4.4. Microbs

5. Nutrients

5.1. Primary

5.1.1. Nitrogen

5.1.2. Phosphorus

5.1.3. Potassium

5.1.4. Carbon

5.1.5. Oxygen

5.1.6. Hydrogen

5.2. Secondary

5.2.1. Calcium

5.2.2. Magnesium

5.2.3. Sulphur

5.3. Micronutrients

5.3.1. Iron

5.3.2. Chlorine

5.3.3. Maganese

5.3.4. Boron

5.3.5. Zine

5.3.6. Copper

5.3.7. Molybdenum

6. Structure

6.1. Granular

6.2. Blocky

6.3. Prismatic

6.4. Columnar

6.5. Platy

6.6. Single Grained