Introduction of soilless watermelon cultivation techniques!
The popularization of soilless culture technology makes crop cultivation no longer limited to soil sowing, and the yield and quality are also improved. The following is a detailed introduction to soilless watermelon cultivation techniques.
What is the soilless watermelon cultivation technique?
1. preparation materials
With a diameter of 30 cm, 45 cm high porcelain basin or plastic bag, the lower part of the 15 cm pebble block, the upper part of the eight to nine into clean river sand.
2. seed soaking seedling
disinfecting watermelon seeds, soaking in warm soup, washing with clean water, draining water, wrapping with gauze, and placing in environment of 30-32 DEG C for germination. Wash the seeds once a day in the morning and evening, and germinate after about 2- 3 days; irrigate the seeds with water before sowing, and wait for the substrate to absorb moisture (it is better to hold the water only from the fingers after grasping). Then the seeds are sown in a tray, covered with a layer of substrate, covered with plastic film after watering, and covered with a sunshade net.
3. water and fertilizer
One week before planting, the substrate was irrigated with tap water, and 1% potassium permanganate was sprayed on the frame, wall and cultivation material. 2-3 days after planting, choose sunny morning irrigation planting water. The seedling stage is mainly promoted, and special irrigation fertilizer is applied once every two days thereafter; before flowering and fruiting of watermelon, less water can be dripped according to the seedling situation, and large water can be poured twice a week; the dripping water is strictly controlled during flowering stage, and the fertilizer is applied twice a week in combination with dripping water during the melon stage; and foliar fertilizer is sprayed 1-2 times at the early flowering stage, the melon setting stage and the melon stage respectively.
4. management
Soilless watermelon and other watermelon cultivation, but also to do a good job of pruning hanging vines, fixed melon, hanging melon and other field management work.
In addition, watermelon expansion period is short, mature quickly, generally sit melon after 35 days can mature, harvest must be timely.
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