1. Forest Soils

3. CECIL SOIL

4. SOIL PARTICLES SILT CLAY SAND Largest Can be seen with the naked eye
1/20th of a millimeter in diameter or less
Loose, fine grayish-brown powder
CLAY
Very fine sized
Formed during weathering

5. SOIL COMPOSTION 5% 45% 50% ORGANIC MATERIALS MINERAL PARTICLES
PORE SPACE
Decaying Matter
Provides Nutrients
45%
Sand Silt Clay
50%
Space Between Soil Particles
Allows Passage For Air And Water In The Soil

6. pH Scale Acidic Neutral Alkaline 1 Battery Acid 2 Lemon Juice
3 Vinegar
4 Orange Juice 5
6 Corn
7 Distilled Water
8 Baking Soda 9
10 Milk of Magnesia
11 Ammonia
12 Bleach
13 Household Lye 14
Acidic
Neutral
Alkaline

7. pH Scale Acidic Neutral Alkaline 1 2 3 4 5
Loblolly Pine, American Holly
Sourwood, Apple
Red Cedar, Red Oak, Dogwood, Sweet Gum
Walnut, Maple, Pear 8 9 10 11 12 13 14
Acidic
Neutral
Alkaline

8. ESSENTIAL PLANT NUTRIENTS
NITROGEN Stimulates above ground growth, produces green color of plant, determines the quality of fruit
PHOSPHOROUS Active in processes that require energy transfer for food movement
POTASSIUM Stimulates root development, promotes vigor and vitality of the plant
CALCIUM Provides structure and support in the walls of plant cells, like it does for our own bodies
MAGNESIUM Essential in making of chlorophyll that gives the plant its green color
SULFER Key in formation of plant proteins and hormones
OTHER KEY ELEMENTS: Iron, Zinc, Manganese, Boron, Copper, Molybdenum, Chloride