Useful Charts and Nutrient Information

Nutrient Removal Calculator
Chart of the Effect of Soil pH on Nutrient Availability
Country Specific Normal Leaf Level Ranges
Soil Levels
Nutrient Interaction Chart
Law of the Minimum - Liebig's Law

Nutrient Information from IPNI (International Plant Nutrition Institute)

Nitrogen Notes: Managing Nitrogen
Nitrogen Notes: Nitrate Leaching
Nitrogen Notes: Nitrification
Nutrient Source Specifics: Ammonia
Nutrient Source Specifics: Ammonium Nitrate
Nutrient Source Specifics: Ammonium Sulphate
Nutrient Source Specifics: Calcium Carbonate (Limestone)
Nutrient Source Specifics: Coated Fertilizer
Nutrient Source Specifics: Compound Fertilizer
Nutrient Source Specifics: Diammonium Phosphate
Nutrient Source Specifics: Gypsum
Nutrient Source Specifics: Kieserite
Nutrient Source Specifics: Monoammonium Phosphate (MAP)
Nutrient Source Specifics: Nitrophosphate
Nutrient Source Specifics: Phosphate Rock
Nutrient Source Specifics: Polyphosphate
Nutrient Source Specifics: Potassium Chloride
Nutrient Source Specifics: Potassium Magnesium Sulfate: Langbeinite
Nutrient Source Specifics: Potassium Nitrate
Nutrient Source Specifics: Potassium Sulfate
Nutrient Source Specifics: Single Superphosphate
Nutrient Source Specifics: Sodium Nitrate
Nutrient Source Specifics: Sulfur
Nutrient Source Specifics: Thiosulfate
Nutrient Source Specifics: Triple Superphosphate
Nutrient Source Specifics: Urea
Nutrient Source Specifics: Urea-Ammonium Nitrate
Nutrient Source Specifics: Urease Inhibitors
Nutri-Facts: Boron
Nutri-Facts: Manganese
Nutri-Facts: Sulfur
Nutri-Facts: Zinc