Fertilization method of Douban green

Fertilization principle: thin fertilizer and frequent application

Base fertilizer: for the soil with watercress green, 4 parts of perlite, 6 parts of peat soil and a small amount of base fertilizer can be used, or 3 parts of river sand, 7 parts of leaf soil and a small amount of base fertilizer can be used. In this way, fertilization is not needed in the early stage of planting

In the growing season of watercress green, fertilizer should be applied once or twice a month

In September, it is necessary to stop applying nitrogen fertilizer to Douban green, and an appropriate amount of potassium fertilizer can be added, so as to make preparations for Douban green for winter

When the temperature is above 18 degrees, it is necessary to reduce the amount of fertilizer, but when the temperature is below 18 degrees and 30 degrees, fertilizer can be suspended. If you want to apply fertilizer, you must reduce the amount of fertilizer and increase the number of times, mainly light fertilizer

Precautions for fertilization of watercress green

In fertilization, the fertilizer can not use a single nitrogen fertilizer, which will make Douban green grow in vain

Do not splash the fertilizer on the surface of the plant during fertilization. After fertilization, spray water on the plant surface

Douban green is not suitable for fertilization with concentrated fertilizer and raw fertilizer, otherwise it is easy to cause damage to plants

When fertilizing watercress green, liquid fertilizer can also be sprayed on its surface, and the effect is also good