How to control the leek after opening the film
As the temperature rises and the gas is dredged, the shed film of the leeks in the protected areas is gradually uncovered. How to manage the leeks after they are opened is the basis for determining the growth of leeks throughout the year. Over the years, my experience is:
1. Earthwork. After the plastic film was uncovered, the leeks that had cut 2 or 3 knives lacked nutrients, the leaves were thin, and the roots were undeveloped. Management must be strengthened. First, spin the soil on both sides of the leek hoe with a small rotary cultivator, and then the fine soil with iron shovel into the leeks, the thickness of about 1 to 2 cm, after the end of training with a shovel to soil evenly.
2. Fertilization. Nitrogen, phosphorus and potassium ternary compound fertilizers are mainly based on 4 meters wide and 100 meters long leeks, which can be applied to 40 to 50 kilograms of mixed fertilizer and 10 to 15 kilograms of urea.
3. Watering. After uncovering the film, it is best to water it. When watering, it is best to flush with pesticides, such as phoxim, to control the soil pests, or to calculate the 4 metre wide and 100 metre long leeks. 2000 ml can be used. .
Every spring, I manage it according to the above methods. The roots of the Chinese leeks are well developed, with thick stems and thick leaves, which lays a good foundation for the winter production.
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