Key points of high-yield soilless cultivation techniques for coriander
Coriander can also be cultivated without soil. Interested farmers can come and see it. Recently, many farmers have consulted in the background how to make small-scale coriander how to carry out soilless cultivation. Today, Hui Nong.com has compiled a simple article for everyone. I learned the soilless cultivation of coriander, which not only reduced the cost, but also made it easier to manage. First, choose the land The first step in the cultivation of coriander soil is to choose the planting plot. There should be sufficient clean water around the planting block, ventilation and ventilation, and sufficient electricity. After selecting the planting base, build a coriander planting greenhouse, and pay attention to measures to isolate it from the outside world when constructing a greenhouse. For example, places where the shed film is in contact with the ground and skylights are used to prevent invasion by pests and animals. The soilless cultivation mainly uses the foam board as the cultivation board, and the cultivation density is controlled to lay the cultivation hole on the foam board, and the cultivation board specially used for soilless cultivation can be purchased on the market. Second, timely seeding Coriander cultivation generally begins to sow seedlings in autumn and winter, because the temperature in autumn and winter is conducive to the germination of coriander seeds. If you plant in the summer when the temperature is higher, you should do low temperature germination before planting. After the seeds have been treated, the seeds are then sown on the seedling sponges, since the leaves of the coriander are double leaves, so the sowing should not be too deep. After sowing, water should be regularly watered to increase moisture and promote seed germination. When the seedlings are excreted with two cotyledons, the nutrient solution is sprayed to promote nutrient absorption of the seedlings. When you grow 1-2 leaves, you can transplant them at the right time. Third, nutrition management After transplanting, the main nutrient absorption of coriander seedlings is absorbed through the roots. When we provide nutrition, we should mainly recycle and reduce the cost of planting. The concentration of nutrient solution is mainly determined by the growth of coriander. For example, the concentration of nutrient solution is usually around 1.1 at the seedling stage and about 0.4 at the middle of growth. In order to promote the ripening of coriander plants in the late growth stage, the concentration of nutrients should be increased to about 1.9. In the cultivation process, foliar fertilizer should be sprayed regularly to promote the photosynthesis of coriander, increase the chlorophyll in the leaves, and prevent the leaves from chlorosis. Fourth, pest control Although the use of soilless culture techniques can reduce the incidence of pests and diseases, some pests and diseases will occur if management is not good. For the prevention and control of pests and diseases, we mainly focus on prevention, do a good job of isolation between the greenhouse and the outside world, and do a good job of disinfection and sterilization before cultivation. Reduce the number of bacteria, eggs, reduce the incidence, try to avoid the use of pesticides. In addition, when the nutrient solution is used, ultraviolet disinfection of the nutrient solution is performed to increase the vitality of the nutrient solution and eliminate the pathogen. Five, pay attention to the main points The growth cycle of soilless coriander is about one month. It is more convenient to harvest than traditional cultivation and is easy to store. The above is the introduction of the soilless cultivation techniques of coriander. The farmers who need it can actually collect it first. Of course, the above content is only for reference. If you have more comprehensive technology, welcome to share!
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