Gastrodia management points
1, the temperature management Gastrodia production of the appropriate temperature is 13-25 degrees (10 cm below the soil surface), in this temperature range, the higher the better. Temperature control is an important task for Tianma imitation of wild cultivation and management. To prevent freezing in winter, in areas under 1,000 meters above sea level, cover 10-20 centimeters thick branches and weeds after planting, and thicken the cover to 30 centimeters in areas higher than 1,000 meters. In summer and autumn, to prevent high temperatures and drought, in addition to using shade to prevent high temperatures, it is also possible to use replenishment without reducing soil temperature. The replenishment takes place after sunset and the soil temperature drops.
2. Moisture Management The soil temperature is controlled at 10-20% before the Qingming period. In April-June, the soil moisture increased by about 60%. From June to August, Gastrodia elata enters the peak season, and the accumulation of nutrients reaches a peak. At this time, it is necessary to reduce the temperature of the water and ensure the drainage of the earthworms for comprehensive management. In September, the accumulation of gastrodia elata was in the late stage and reached the stage of physiological maturity. At this time, the moisture content of the trampoline soil should be controlled below 40%. In late October, the soil temperature has dropped to 10°C. Gastrodia elata enters dormancy and can be excavated. Per square meter can be excavated fresh about 7 kg of Gastrodia.
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