When is the most suitable time to plant Gastrodia elata and what is the effect of planting time on Gastrodia elata yield?
Gastrodia elata should be planted in the dormant period. Winter planting from October to November, spring planting from March to April, the effect is better. Generally do not plant Gastrodia elata in summer, because this is the growing season of Gastrodia elata, at this time mining will destroy the relationship between Gastrodia elata and Armillaria mellea, even if barely survive, the effect is also very poor.
Choosing the appropriate cultivation time is one of the important measures to increase the yield of Gastrodia elata. The most suitable cultivation time should be from October to November (called autumn and winter planting), followed by February to March (called spring planting), and the worst is planting flax from June to July (called summer planting).
Planting flax in autumn and winter is beneficial to the combination of Gastrodia elata and Armillaria mellea. According to the experiment of Zuojia Specialty Research Institute of Jilin Province, Chinese Academy of Agricultural Sciences, the weight gain rate of autumn planting (box planting) is as high as 318%, the weight gain of spring planting is only 97%, while that of summer planting is only 80%, and the less is only 28%.
The vast majority of drug farmers in Chenggu County, Hanzhong District, Shaanxi Province planted hemp at the end of October, and most of them had a weight gain of 15-20 times. Some people tried to plant flax in March of the following year, and the result was that the weight gain was only 11-22 times. In Liaoning Province, it is better to plant in autumn, but there must be measures to keep warm indoors, otherwise the effect of planting in spring is not as good as that in spring.
Why is there a significant increase in the yield of hemp planted in autumn and winter? This is mainly to prolong the growth period of Gastrodia elata, which is characterized by prolonging the peak season of Gastrodia elata. During the period of exuberant growth, the nutrition provided by Armillaria mellea is sufficient, and Gastrodia elata grows fast and grows big.
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What is Gastrodia elata planted in bed on the ground
This method of planting Gastrodia elata can be used in low-lying flat land, high groundwater level, low temperature, wet and rainy, or small area cultivation of Gastrodia elata in new areas. Bed planting is also divided into single-layer flax planting and double-layer flax planting. ① single-layer hemp planting method: flatten the ground and make a bed with a width of 60 cm to 70 cm. The length of the bed depends on the topography and the number of hemp plants. Spread the basic culture material 2cm to 3cm thick on the flat bed, and then swing the bacterial stick horizontally, the spacing of the bacterial stick is 6cm. On both sides of the stick, first add the culture material to half of the stick.
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What is the method of planting Gastrodia elata in double-layer boxes
At the bottom of the box, put 6 cm thick soybean straw or sesame straw (must be fresh and mildew-free and spoiled straw), flatten it with culture material, plant the first layer of flax according to single-layer planting method, and add culture material 3 cm thick (half of the whole box). Then plant the second layer according to the first layer planting method and add the culture material to the full box.
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