Primary
Nutrients
| Function
| DeficiencySymptoms
| *Solutions
|
Nitrogen
| Vigorous growth & dark green color
| Light green leaves; stunted growth
| Dried Blood, Garden
Manure, Cottonseed Meal, Urea
|
Phosporus
| Root development &
flowering
| Smaller yields of seeds &
fruit; purplish leaves, stems & branches;
| Rock Phosphate, Bone
Meal, Single Super
Phosphate, Triple Super
Phosphate
|
Potassium
| Overall hardiness &
disease resistance
| Reduced yields; Spotted or curled leaves; Weak root system
| Muriate of Potash,
Greensand
|
Secondary
Nutrients
| Function
| Deficiency Symptoms
| *Solutions
|
Calcium
| Plant vigor; Aids in
uptake of nutrients
| Deformed terminal leaves; Poor root growth
| Garden Lime, Garden
Gypsum
|
Magnesium
| Essential part of
chlorophyll
| Yellowing of older leaves
| Garden Lime
|
Sulfur
| Dark green color;
Seed production
| Yellow leaves; Stunted,
spindly plants
| Garden Sulfur, Gypsum
|
Trace
Nutrients
| Function
| Deficiency Symptoms
| |
Boron
| Increases flowering
& fruit development
| Terminal buds die; Less
flowers & fruit develop
| Garden Manure, Bone Meal
|
Chlorine
| Helps control water loss & moisture stress
| Plants wilt; yellow leaves
| Garden Manure, Greensand
|
Cobalt
| Improves growth &
transpiration
| Reduced growth and
yellowing of foliage
| Greensand, Kelp, Cottonseed Meal
|
Copper
| Helps produce chlorophyll
| Yellow, wilted leaves;
Lack of flowering
| Garden Manure,
Greensand
|
Iron
| Promotes dark green
leaves
| Yellow leaves
| Greensand, Garden
Manure, Cottonseed Meal
|
Manganese
| Helps produce chlorophyll
| Intervenous chlorosis in
younger leaves
| Garden Manure, Greensand
|
Molybdenum
| Essential in some enzyme systems
| Pale green, rolled or cupped leaves
| Greensand, Lime (makes
it more available)
|
Nickel
| Enzyme Producton
| Yellow Leaves
| Greensand
|
Sodium
| Aids water regulation & photosynthesis
| Plants wilt
| Kelp, Garden Manure,
Bone Meal, Greensand
|
Zinc
| Enzyme & growth
hormone production
| Yellow leaves, Rosetted
(clustered) leaves
| Garden Manure, Greensand, Cottonseed
Meal
|