First, the local climate is appropriate. Gastrodia elata most suitable for the growth temperature of 20 ~ 25 °C. If the temperature is too high or too low, Tianma will grow slower or even sleep. Especially when the temperature is too high, it is easy to appear rotten. Therefore, Tianma is most suitable for planting in mountainous areas with slightly higher altitude, lush forests, cold summer weather, and high humidity. To plant gastrodin in other areas, we must try to improve the local climate conditions. In particular, gastrodia elata is planted in low mountains and it is necessary to ventilate, cool, and moisturize in summer to prevent gastrodiasis from decaying. If the environment is not suitable, it is best not to introduce Tianma easily. Second, there are no suitable resources and cultivation sites. For planting gastrodia, wood such as cork oak, paralyzed and earthworms is required to be solid and resistant to decay, and trees with thick bark and not easy to fall off are used as bacterial materials. At the same time, they need to be rich in organic matter, slightly acidic, loose and breathable, and free of pests and diseases. Hardwood humus soil as a culture soil. Before introducing gastrodia, first check whether there are such resources around. In addition, it is also very important to plant cultivation places for gastrodia. It requires cleanliness, less germs, fresh air, and high humidity. If the environment is too dry, the early growers do not spray well and it is easy to cause burns. Third, the bacteria bed is ready. Unlike general plants, Gastrodia is a strictly heterotrophic organism and cannot produce nutrients itself. It can only rely on its associated bacteria, Armillariella, to provide nutrients for its growth. Therefore, if you want to plant gastrodia, you must first prepare the honey fungus bed. The introduction of Tianma in the late autumn and early winter usually requires the introduction of strains and the cultivation of bacterial materials from June to August, so that Tianma can be planted successfully after introduction. If the seed bed is prepared at the same time, it will not only increase the investment, but also result in a lower yield in the first year and a poor result. Fourth, whether the introduction season is appropriate. Due to the short preservation period of the seeds of sexual reproduction of Gastrodia elata, and the difficulty of expansion, the farmers are currently planting Gastrodia, basically introducing the white-headed hemp and rice bran for planting. Gastrodin generally follow the harvest, the best broadcast, harvest season around the end of autumn and winter in November. Introduction of Tianma in winter, need to prevent frostbite frostbite; spring introduced Tianma, if the temperature is already high, Tianma has begun to sprout growth, but no provision of nutrients in timely supply of Armillaria, the poor growth of Gastrodia, yield decreased significantly. In other seasons, Tianma should not be introduced. Fifth, whether or not the unit is reliable. At present, there are many kinds of breeding units for gastrodia, but there are many false advertisements and information, and farmers need to be cautious when introducing the species. Conditional farmers, it is best to go to the national regular scientific research institutions to find relevant experts introduced, or direct introduction to the main producing areas of Tianma. If there is wild gastrodia in the area, wild gastrodia can also be purchased for planting. Do not trust small advertisements that have been sent or distributed, and order them easily without an on-site inspection. 6. The quantity of hemp seeds purchased must match the area of ​​the bed of bacteria. Taking the common gastrocarotine plantation in the mountainous area as an example, if each cellar has two layers of fungus material, 10 strains of each material, and 5 pieces of 20 grams of gastrodia seeds per plant, 20 grams per cellar will be required. Gastrodia species 2 kg. Because of the different sizes of gastrodia varieties and hemp varieties, it is also necessary to be flexible when buying specific species. Red Gastrodia can be used for a small amount of each cellar, the amount of each type of black gastrodia should be slightly larger. The hemp seed is small, and the seed amount per pit may be slightly smaller; the hemp seed is larger, and the seed amount per pit should be appropriately increased. If too much hemp seed is purchased, the planting cost will be increased; if the hemp seed is too small, it will affect the current year's production. Seven, hemp seed quality is higher. It is advisable to introduce gastrodin seeds that have been planted for 1 or 2 generations after sexual reproduction. Such gastrodin species are vigorous, grow fast and produce high yields. With small white hemp, rice seedlings can be made, the size of the hemp is best about 20 grams. In addition, hemp seeds should be fresh, yellow-white, no pests, no ailments, where aging, damage, and gastrodin with pests and pests should not be replanted.
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