1、 Hydroponic method
Hydroponic Coptis can be transferred from soil culture to hydroponic culture. During the transformation, only take out the plant from the soil culture environment, break the original soil ball and shake it clean, wash the dust and old soil with running water, and put it in a suitable container for hydroponic culture p>
You can also cut a branch with three to five leaves from other water cultured or soil cultured Pennisetum, put it in a water culture container, let it take root and germinate and grow into new water culture plants, which can achieve the purpose of water culture p>
2、 Precautions
In the process of maintenance, it should be noted that the copper coin grass must have sufficient light, and the wintering temperature in the north in winter cannot be lower than 5 degrees. The water in hydroponic culture is often partially renewed. Generally, you don't mind more than half. One third to one quarter is an ideal amount. Take out the residue at the bottom and fill it with new water. You can also put two or three or four or five slow-release compound fertilizers in the water to make it grow better p>