Detailed Explanation of Water Dropwort Greenhouse Cultivation Techniques in Summer
Water dropwort is also wild celery, commonly growing in waterside, ditch and field-edge places with water. Water dropwort is a perennial plant with a strong fragrance and good taste, and is deeply loved by people. At present it is mainly a wild vegetable distributed in Asia. But in fact there is now also cultivated water dropwort. Making use of water dropwort's love of water and its ability to grow in water, artificial cultivation has begun with the greenhouse water-culture method. Let's take a look.
1. Greenhouse Setup
Summers are hot, which affects growth, so the greenhouse used in summer cultivation is actually a shade-providing and cooling facility, mainly for lowering the temperature so that the celery grows better. Choose the planting field well and build the greenhouse, which can be built directly in the paddy field. After plowing the field, mixing in fertilizer and irrigating, rake it level and make beds, then it is ready for use.
2. Planting
⟦NL>In summer it can be planted twice. For the first time, directly take the old plants used for planting, cut off the tender branches and leaves, cut the old stems directly into small sections and insert them as cuttings, with a spacing of about a few cm. After about a month, new plants will have formed. They can be pulled up directly for sale. The second time requires sowing, then sowing directly on the bed surface, covering with rice straw, watering to keep moist, and continuing to cultivate after sprouting.
3. Greenhouse Management
A greenhouse film with a shading rate of 60% is required; it must not be too high, or the seedlings cannot carry out photosynthesis, and it must not be too low, or the shading effect is poor and growth will still be affected. Normally when the sun is strongest, water should be sprayed onto the greenhouse to cool it down. Shade netting should be set up over the greenhouse. Generally at night the film should be opened for ventilation, letting air in to avoid too much carbon dioxide.
4. Fertilization
After the base fertilizer, topdressing can be done when there are 5 leaves, applying 1000 jin of fermented farmyard manure per mu. Do not use poultry manure. When fertilizing, do not pour it onto the leaves; the fertilizer concentration can easily burn the leaves. When fertilizing, drain off some water so it is easily absorbed into the soil, and irrigate two days later to avoid too high a concentration and to maintain the moisture needs of the root system. Afterwards, observe the growth and continue topdressing.
5. Irrigation
Water dropwort cultivation is mainly in a water environment and requires a clear water source. At sowing time it can be kept alternately dry and wet, which makes it easy to sprout and will not wash away the seeds. When the seeds have sprouted and the seedlings are large enough not to be washed away, a 5 cm water layer can be maintained. When the growth height reaches more than 20 cm, the water depth can reach 15 cm. During the high temperatures of the day use deep water, and at night when it cools, shallow water can be used for cultivation.
Water dropwort cultivation is mainly carried out in water, and growth is mainly managed by regulating the water. Note that in summer it can be planted twice, but the methods are different. The greenhouse is mainly for shade cultivation, improving the growing environment, because high temperatures are unfavorable to water dropwort growth.