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How to grow Gastrodia elata for high yields? A detailed guide to the latest cultivation techniques
Gastrodia elata is a precious Chinese medicinal herb, containing nutrients such as gastrodin, calcium oxide, magnesium oxide, vanillyl alcohol, and vitamin A. It has the functions of dispelling wind and relieving convulsions, relieving pain, resisting convulsions, and lowering blood pressure. It mainly treats headache, dizziness, high blood pressure, rheumatic waist and knee pain, numbness of the limbs, infantile convulsions, insomnia, and cerebrovascular diseases. It has important value in medicine, and currently the product is in short supply, with prices rising year after year, reaching more than 200 yuan per kilogram, and export prices are even more expensive. Gastrodia elata used to be wild, generally growing in mountain forests at an altitude of 500-150
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What are the five main causes of low yields in Gastrodia elata (tianma)
Recently, the editor has often received consultation calls from people saying that the Gastrodia elata they cultivate does not yield much, with some even below 3 kg/sq m. The reporter specifically consulted Cao Debing, a Gastrodia elata expert at the Provincial Academy of Agricultural Sciences, about these issues. According to him, based on the growth principles of Gastrodia elata, there are many causes of low yields. He listed the following five causes, and farmers can check their own production conditions to see whether any of the following situations apply: 1. Armillaria mellea has been subcultured many times, becoming aged and degenerated. Armillaria mellea is the only source of nutrition for Gastrodia elata, so the quality of Armillaria mellea directly has an irreversible impact on Gastrodia elata. In general production, it is required to use detoxified, isolated pure strains, or to use such strains to cultivate fungal material before planting, so as to ensure results; however, in order to reduce costs, some farmers either use ordinary strains, or use old fungal material as "starter", mixing in some new linden wood to let it "transfer the fungus". If a pure strain was used the first time, this method can be used the next year, but it must not exceed three years. Unlimited continuous "fungus transfer" will inevitably lead to strain degeneration and reduced vigor, causing reduced Gastrodia elata yields.
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How do Gastrodia elata cultivation methods affect Gastrodia elata yield?
Choosing good planting methods for the tubers is also one of the important measures for increasing Gastrodia elata yield. Box cultivation and pit cultivation of Gastrodia elata overwintered in double-layer plastic sheds can significantly increase yield. Because the double-layer plastic shed uses sunlight as its energy source, it greatly increases Gastrodia elata yield. According to trials by the Institute of Special Animal and Plant Sciences of the Chinese Academy of Agricultural Sciences, using a double-layer plastic shed to overwinter box-cultivated Gastrodia elata inside the shed, Shaanxi seed stock increased in weight by 27.4 times, and local Jilin seed stock increased in weight by 99.8 times. If there is heating equipment indoors, using wide-mouth bottles and plastic bags to cultivate Gastrodia elata
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How to manage mushrooms at present to achieve high yields
1. Disease treatment and pest control. For mushroom houses where no disease has yet been found, first brush the surrounding walls with 15% lime water (slurry); for the bed surface, 1% clarified lime solution or 0.5-1% ammonia water solution can be sprayed along with watering adjustment; for mushroom houses that have previously been infected with weed molds, spray 1-2 times with 500-fold carbendazim or Bordeaux mixture before inoculation. Before feeding, clean the inside and outside of the mushroom house thoroughly, then spray once with 1% concentration of dichlorvos or dimethoate; after feeding, when adjusting water on the bed surface, spray 1-2 times with 0.5% dichlorvos, or dip cotton balls in 2% dichlorvos and hang them in the mushroom house
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Detailed Explanation of Key Techniques for High-Yield Cultivation of Rice Field Mushrooms
1. Seize the best sowing period. According to the suitable temperature for mushroom growth, determine the composting time and sowing period based on altitude. Taking the climatic conditions of our Dazhou area as an example, for places below 500 m in altitude, it is suitable to compost around September 20 and sow around October 13; for places at 800-1000 m in altitude, it is suitable to compost around September 10 and sow around September 23. Sowing too early will cause the first batch of mushrooms to die from high temperatures when they emerge; sowing too late will affect mushroom yield. 2. Reasonably adjust
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High-Yield Cultivation Techniques for Agaricus bisporus in Rice Fields
Cultivating Agaricus bisporus in rice fields is a planting method that uses rice straw and other materials as the main raw materials, which are composted and fermented into growing substrate, and takes advantage of the temperature and light resources and idle seasons of autumn, winter and spring to cultivate Agaricus bisporus in the open field in rice fields after the rice harvest. This method makes full use of resources, can create a net profit of more than 5000 yuan per mu, with an input-output ratio of 1:3, and can improve the soil, delivering excellent economic and ecological benefits. The technical experience is introduced below: 1. Mushroom field selection Generally, a middle-season rice field or single-crop rice field with higher terrain, fertile soil, convenient drainage and irrigation, close to a water source,
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High-yield cultivation techniques and conditions for Agaricus bisporus in paddy fields
Among cultivated edible mushrooms, the button mushroom has the largest cultivation area and the highest yield. The button mushroom is a general term for several edible fungi of the genus Agaricus. Currently, two species are mainly used in production: Agaricus bisporus and Agaricus bitorquis, with Agaricus bisporus having the largest cultivation area. Agaricus bisporus (also known as white mushroom, button mushroom, or cultivated mushroom) has three strains: brown, cream, and white, among which the white Agaricus bisporus has better economic value. In terms of cultivation methods, it is divided into mushroom house cultivation, greenhouse cultivation, and open-field paddy cultivation (also known as "field mushroom"). Growers can choose according to their
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How should you select mushroom spawn for high yields when cultivating Agaricus bisporus in paddy fields?
Give priority to granular wheat grain spawn with good yield performance and strong stress resistance, followed by manure-straw bag spawn. To plant 1 mu of field mushrooms, about 400 bottles of wheat grain spawn are needed, with an investment of 800-900 yuan; or 800-1000 bags of manure-straw bag spawn, with an investment of about 1000 yuan. Farmers should be especially reminded that when buying spawn, they must go to a spawn farm with a good reputation.
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High-yield field management techniques for cultivating button mushrooms (Agaricus bisporus) in rice paddies
Field selection and preparation: It is best to choose fresh fields or fields where mushrooms have been grown before that are upwind and upstream; avoid using diseased fields or old fields located at downwind, downstream outlets, otherwise they are prone to invasion by contaminating microorganisms. Plow and finely level the field; if the field is dry and has good drainage, plowing may be omitted; also open drainage edges and bed furrows, with a bed surface width of 80-90 cm and a walkway width of 60-70 cm; spread the remaining 50 kg of fine lime powder into the casing soil. Sowing: When sowing mushrooms, farmer friends should pay attention to doing the following work well: 1. Place
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Do not make these mistakes when growing button mushrooms (Agaricus bisporus) in paddy fields for high yields
In actual production, farmers often make certain mistakes that affect the profitability of cultivation. First, insufficient pre-wetting. Rice straw must be fully soaked before it can decompose well. Straw that has not been soaked sufficiently needs a large amount of water added during turning, and if the water cannot be replenished before the second turning, it will be very difficult to make up later, which seriously affects the growth of mushroom mycelium. Second, uneven turning. It should be done according to the principle of "raw material in the middle, cooked material on both sides; the middle goes to the two ends, the two ends go to the middle." Some growers, when turn
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