4.2 When the plant roots at the age of 2 months from the date of planting soil chemical properties were tested. It must be the heat (Heating Value) of not less than 4,000 kilo calories per kg, with the ashes (Ash) is not greater than 5% and the sulfur (Sulfur) no higher than 0.5%
4.3 when the plant roots are. 4 months after the date of planting, the soil tested. And crushed / chopped / sliced / compressed fuel. Biomass pellets (Biomass Pellet) to test the chemistry. It must be the heat (Heating Value) of not less than 4,000 kilo calories per kg, with the ashes (Ash) is not higher than 3%, and the sulfur (Sulfur) no higher than 0.3%, which is the chemical. World Market Purchase
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