Micronutrients and Metal Salts
Every micronutrient has specific roles to play in the plants. Their presence in optimum concentration is a must for the plants to complete its life cycle that ends with maturity and harvesting of the economic produce. Micronutrients are essential plants mineral taken up and utilized by crops in very small quantities. Traditionally we have relied on what was present naturally in the soil together with amounts added as impurities in fertilizer and pesticides as source of micronutrients for crop growth .In recent years however, deficiencies of micronutrients have been diagnosed more frequently ; and many farmers are beginning to take a closer look at their general availability. It is extremely important to be able to recognize and correct micronutrient deficiencies.
Copper Sulphate
Common Name | Copper Sulphate |
Molecular Formula | CuSO4.5H2O |
Appearance | Blue Crystalline Powder |
% of Metal | Cu >24.5% |
Heavy Metals | Max 0.01% |
Manganese Sulphate
Common Name | Manganese Sulphate |
Molecular Formula | MnSO4.H2O |
Appearance | Pink Powder |
% of Metal | Mn >32% |
Heavy Metals | Max 0.01% |
Magnesium Sulphate
Common Name | Magnesium Sulphate |
Molecular Formula | MgSO4.7H2O |
Appearance | White Granular Crystalline |
% of Metal | Mn >9.6% |
Heavy Metals | Max 0.03% |
Di-Calcium Phosphate
Common Name | DCP |
Molecular Formula | Formula CaHPO4 |
Appearance | White Amorphous Powder |
Calcium | Min 23% |
Phosphorus | Min 18% |
Phosphate As P2O5 | Min 42% |
Fluoride | Max 0.1% |
pH | 4 |
Potassium Sulphate
Common Name | Potassium Sulphate |
Molecular Formula | K2SO4 |
Appearance | White Powder |
K2O | Min 50% |
Sulphur | Min 18% |
Moisture | Max 0.10% |
Chloride | Max 1.50% |
pH of 5% sol. | 5 to 7 |
Sodium Sulphate
Common Name | Sodium Sulphate |
Molecular Formula | Na2SO4 |
Appearance | White Crystalline Powder |
Assay | 99-100.5% |
Chloride | Max 0.01% |
Phosphate | Max 0.001% |
Heavy Metals | Max 0.001% |
pH | 7.5 - 8 |