Materials
Nutrients
Corn stalks
Carbon
Eggshells
Calcium
Hay (grasses and legumes)
Carbon, nitrogen, phosphorus, potassium
Pine needles
Carbon, nitrogen, phosphorus, potassium
Straw
Carbon, nitrogen, potassium
Animal manure
Nitrogen, phosphorus, potassium, sulfur,
calcium, magnesium, iron
Blood meal
Nitrogen, iron
Bone meal
Phosphorus
Cottonseed meal
nitrogen
Name of plant
Nitrogen
Phosphorus
Potassium
pH requirement
Strawberry
Med
Med
low
5-6
Sweet corn
High
High
High
6-7
Deciduous trees
Med
Low
Low
5-6
Evergreen trees
Low
Low
Low
4-5.5
Sweet potatoes
Low
Med
High
4.8-6.5
Peaches
Med
Low
Med
6-8
Spinach
Very high
Very high
Very high
6.4-7
Tomatoes
Med
High
high
6-7
Watermelons
Med
Med
Med
6-7
String Beans
Low
Med
Med
6-7.5
Nitrogen is medium
Phosphorus is low
Potassium is low
pH 8
What can you grow in the soil now?
What would you need to add to grow watermelons?
What would you need to add to grow spinach?