Ring cutting the trunk teaches you a simple and applicable one: peel off a circle of bark and pay attention to prevent the tree from healing itself. It was ruined after a little driving, and died in half a month.

Go to the drugstore to buy 1 yuan potassium permanganate, water it with a lot of water, and the tree will die unnoticed. This method is particularly economical because potassium permanganate is very cheap.

Sprinkle lime on the roots, and the pesticide paraquat buried under the roots with sodium bisulfate will be burned to death.

The easiest way is to dig more holes in the tree and put more peppers in it. After a few days, you will die. Drill a small hole at the bottom of the tree, the depth is about half the diameter of the tree, put a few pepper in it and block the hole with soil.

The freshly boiled water that was used to water the tree with washing powder fell near the roots.

Drill a hole in the root with an electric drill, put a bag of salt, and you will die soon!

It is said that the fragrant Chinese medicine hematoxylin nailed it to the tree and the tree would die.

Waste batteries were buried in the roots of trees.

When waste diesel oil falls on the roots of trees, trees will die.