1、 Soil

Rumex is more suitable for planting in cultivated soil with good drainage performance, moderate pH and altitude of 400-4100 meters, which can be slightly resistant to barren soil. Avoid continuous cropping, otherwise it will lead to variety degradation and slow growth

2、 Temperature

It likes a warm environment and is more resistant to cold. 10-35 ℃ is the most suitable temperature for its growth. Breeding in winter needs to be in the greenhouse

3、 Illumination

It has strong adaptability, likes sunshine and can withstand shade. It is better to plant it in semi sunshine or shaded areas, which can increase its medicinal value and increase its growth rate. Avoid direct sunlight for a long time, and sunshade should be carried out in advance during high temperature period in summer

4、 Fertilization

Topdressing should be carried out in time according to its growth status. An average of 10 kg of urea or 20 kg of ammonium sulfate should be applied per mu, and low concentration compound fertilizer can also be used

5、 Watering

It has strong drought tolerance, but the humid environment is conducive to its health. Daily watering shall be controlled within 4-5 days, and watering can be carried out once. Pay attention to drainage during rainy season to prevent disordered and rotten roots

6、 Precautions

1. Other weeds shall be removed in time before seedling fixing, and herbicide spraying shall not be allowed

2. Attention should be paid to the timely disinfection of the soil, and attention should be paid to the prevention and control of green insects, whitefly and other pests from July to September