Brown coal mining
Products, servicesEnergy Investment Company offers leonardite for fertilizer: • Sodium Humate • Potassium Humate Heavy metals in leonardite ash: we found that zinc content in leonardite ash was 46.6 μg/g; manganese – 33.1 μg/g; copper – 27.6 μg/g; nickel – 16.9 μg/g; cadmium – 0.32 μg/g; lead – 17.7 μg/g. There are also trace amounts of mercury and arsenic. Among the
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Products, servicesSociety of Leolin organik is a company that deals with production of leonardite. Leonardite is a combination of nutrients applied in crop production. It is an innovative product that exists in the global trend of replacing chemical fertilizers with organic. However, productivity does not suffer. The use of this fertilizer allows to reduce the cost of pesticides up to 40, increase yields by up to 25 and reduce the time of ripening up to 8 days.