A method for harvesting Astragalus facility seedlings with coconut bran as substrate
A harvesting method and coconut bran technology, which is applied in the field of seedling cultivation, can solve the problems of long seedling raising period, low rate of high-quality seedlings, failure to grow seedlings, etc., and achieve the effects of increasing seedling output, increasing the rate of first-grade seedlings, and reducing production costs
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Embodiment 1
[0041]The Chinese herbal medicine industry in Lanzhou is an emerging industry that has developed in recent years. It is a new area for planting Chinese herbal medicines in Gansu Province. In 2018, the total area reached 118,000 mu. The main planting species is Ural licorice, followed by astragalus, isatidis, and Bupleurum. , Lycium barbarum, Scutellaria baicalensis, Fangfeng, etc. Lanzhou's traditional Chinese medicine industry has problems such as poor soil, low effective rainfall, insufficient rural labor force, weak seedling production links, extensive cultivation, relatively low degree of mechanization, and high cost composition. For Astragalus membranaceus with deep roots, there is a technical bottleneck in seedling cultivation. At present, the cultivation area in Lanzhou is about 20,000 mu, 90% of Astragalus seedlings are transferred from outside, and the disease root rate is as high as 30%. This technology uses the temperature and light effect of the greenhouse in autu...
Embodiment 2
[0043] The astragalus seedlings were continuously tested for 3 years under different soil and climate conditions. Among them, in 2015, in the arid mountainous area of Minle Township (2,630 meters above sea level), Yongdeng County, Lanzhou City, Gansu Province, Astragalus was treated with direct seedlings of white film, black film, open field seedlings, and germination of white film and black film. Sow on April 3, the sowing rate per mu is 25kg, and the seedlings will emerge on April 23. The seedling period is 20 days, and the emergence rate is 20-30%. Among them, the open-field seedlings for direct seeding were excavated in October of that year and planted indoors. The rhizome length was only 17.79cm, and the rhizome diameter was only 3.3mm. That is, the first-grade seedlings cannot be produced.
[0044] In 2016, in Longquan Town, Yongdeng County, Lanzhou City, Gansu Province (average altitude 1,600 meters), seedlings were raised in the open field of Sichuan water and water...
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