- Before sterilization rice straw should be chopped to about 5 cm or smaller length.
- The chopped straw should be soaked in water overnight.
- A 4”×6” water in the drum where three or four bricks should be kept upright position.
- Then, the drum should be filled with moist straw.
- It should be steamed for half an hour to kill all insects and wild fungus.
- After steam sterilization it should be cooled either in drum itself or in big plastic bag.
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