1、 Soybeans

You can soak raw insects or bad soybeans in water, then boil them in boiling water, pour them out and ferment them in a closed container. Wait a week or so and you can take it out as flower fertilizer

2、 Rice water

You can leave the rest of the ordinary rice washing water, then put it in a container, close the lid, and ferment it in the sun. After half a month, it can be used as fertilizer, but it's best to dilute it with water

3、 Egg skin

You can save the egg skin, smash it and expose it to the sun, which can help disinfect. Then you can directly bury the processed eggshell in the flower soil as fertilizer

4、 Drug residue

The residue of traditional Chinese medicine eaten by the elderly can also be used as fertilizer. You can mix the residue with some flower soil and put it in the bag, and then wait about a week for the traditional Chinese medicine to rot, stir and melt it into the soil. It can be used as flower fertilizer, but the amount should be controlled and not too much