1、 Self made method of rotten leaf soil

You can dig the soil containing rotten leaf soil where there are many fallen leaves. Usually, the fallen leaves in the forest are rich in nutrition. Dig 10cm deep soil with a shovel and put it into a container. Add an appropriate amount of water, stir with a stick for about 10 minutes, and place aside. Wait for about half an hour. When the muddy water becomes clear, pour out the water and use it

2、 Self making method of rice washing water

Collect the rice washing water, put it into the bottle, cover the cover and place it in a place with sunshine. The more sufficient the light, the better. It can be used after about half a month. If you are worried about the smell, you can add some chopped orange peel to the water

3、 Self making method of calcium tablets

We can use calcium tablets we usually eat. Smash them with a harder object to become powder and put them into a hydroponic container. Nutrients in calcium tablets are easily absorbed by plants, which is conducive to their better growth. However, do not use too much each time. You can use about one tablet each time