1. Suitable soil: In order to maintain the effect of pot explosion, watercress must provide suitable soil with good permeability and rich humus. You can directly buy nutritious soil for cultivation, or mix garden soil, perlite, river sand and decomposed fertilizer according to the ratio of 3:2:1:1.The pot soil is changed every 2-3 years to provide new soil to maintain growth.
2. Adequate sunshine: The growth of watercress cannot be separated from the sunshine. If the sunshine is insufficient for a long time, it will lead to the excessive growth of watercress and affect the ornamental value.Can raise in half shade environment at ordinary times, had better contact astigmatism to illuminate, every day contacts the astigmatism of 2-3 hours, winter can increase illumination.
3. Temperature requirement: The temperature most suitable for the growth of watercress is about 18-25 degrees. Try to keep it within this temperature range. Take measures to keep out the cold and prevent freezing in winter. The temperature should be kept above 10 degrees.Keeping a good temperature can promote growth and make leaves flourish.
4. Water and fertilizer management: During the growth period, water regularly, and keep the air humidity at about 70% to meet the growth.In order to achieve pot explosion, reasonable topdressing is also crucial, and the decomposed liquid fertilizer is applied every 15-20 days during the growth period.
Douban green pinching is mainly to remove the top bud, which can be pinched when the plant grows to about 10 centimeters.
