What kind of humidity conditions are needed for Gastrodia elata growth
In addition to temperature, humidity is also an important factor in the growth of Gastrodia elata. The annual rainfall in Tianma producing areas is generally above 1000 mm. Southwest some production areas rainfall more than 1700 mm, the average relative humidity of 70%-80%, often rainy, rainy and humid climate conditions, the most suitable for the growth of Gastrodia elata. Therefore, the humidity of cultivated Gastrodia elata should be controlled at about 60% in growth period and 30%-40% in winter period. The temperature is big, it doesn't matter to Armillaria mellea, but it's easy to rot hemp; and the humidity is small, then Gastrodia elata grows slowly. Therefore, artificial production of Gastrodia elata in the management process should be based on its humidity to take frequent spray, less spray measures, try to adjust the humidity evenly.
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Companion planting technique of Gastrodia elata in four ponds
The four-pond companion planting method of sexual reproduction of Gastrodia elata is to plant Gastrodia elata seeds, germinating bacteria, Armillaria mellea and fungus together, which is called the four-bottom pool companion planting method. This co-planting method not only saves labor and time, increases the yield of Gastrodia elata, but also saves wood, and can obtain double benefits, which is worth popularizing. First, the selection and storage of seed hemp leaves the arrow buds at the top, which are full, fresh, scar-free, disease-free, pest-free and weighing about 200 grams, which are spread out and dried with water on the epidermis, and stored for spring planting. It can be stored indoors or outdoors, and the key is to prevent frost injury.
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Temperature conditions for the growth of Gastrodia elata
Q: what kind of temperature conditions are needed for the growth of Gastrodia elata? What is the limit temperature? Answer: this question seems simple, but in fact it is quite complicated. according to the actual situation of our province, we might as well give a brief explanation from the following two aspects. First of all, the original intention of most farmers who put forward this question should refer to the adaptability of Gastrodia elata tubers to temperature in asexual cultivation. As a kind of plant, Gastrodia elata is rootless and leafless, and its ability to adapt and regulate temperature is weak, which is its growth disadvantage.
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