First, the burning method of flue-cured tobacco mixed with tung oil is not practical.

The opium collected before was burned by fire, which is also the "burning method of tobacco soil mixed with tung oil". It was found that after opium was burned, tobacco oil penetrated into the soil. After the activity, people who are interested in digging the earth will still get 23 points out of 10. In this way, the sales of cigarettes will be incomplete and the expected purpose will not be achieved. In fact, Lin Zexu used this method to destroy opium before, and it was finally eliminated.

Second, the "seawater immersion method" came into being.

Soaking in seawater and adding lime to destroy it is also a method of selling cigarettes that has been summarized through continuous exploration.

Pick and dig two ponds by the sea, lay stones at the bottom of the ponds to prevent opium from leaking, nail boards around them, and dig a ditch. Pour the salt water into the ditch and flow into the pool. Then cut the tobacco soil into four pieces, pour in salt water, soak for half a day, then add lime, and the lime will boil in water to dissolve the tobacco soil. Stir constantly in the pool to ensure that the tobacco soil is completely dissolved in water. When the tide ebbs, send the pool water out of the ocean and wash the bottom of the pool with clean water, leaving no trickle.

In this way, opium will be completely eliminated, leaving no chance for you. However, the destruction of opium in this way also pollutes the surrounding environment, and the discharge of seawater from selling cigarettes into the sea does harm to coastal marine life. Lin Zexu wrote in his diary: "Digest opium in one day, release the ocean, and make the aquarium migrate temporarily in advance to avoid its poison."

This means that the seawater that destroys opium is toxic, so let the surrounding residents and aquariums take refuge first; Due to the strong self-purification ability of seawater, self-purification can be completed within a few days to resolve tobacco poison.

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