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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 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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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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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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New hybrid rice combinations achieve high yields in Hengxian
Recently, the new hybrid rice combinations "T You 551, Yue You 938, and Taixiang No. 5" introduced and trial-planted in Hengxian all achieved high yields upon expert inspection. The new hybrid rice combinations "T You 551, Yue You 938, and Taixiang No. 5" introduced in Hengxian were trial-planted on 140 mu across 3 villages and slopes in Nannan Township. Recently, the Hengxian Seed Company invited experts to conduct on-site inspection of the 3 new hybrid rice combinations. After experts randomly spot-checked 3 farming households on site, the inspection results showed: T You 551 rice had a wet grain yield of 650 kg per mu, and a dry grain yield per mu
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How to prevent low yields in Gastrodia elata? Master these measures
1. Poor quality Armillaria mushroom-wood material. Most farmers habitually use old wood logs from previous years' Gastrodia elata planting as mushroom-wood material, that is, the old-log-plus-new-log method of cultivating Gastrodia elata. Old wood logs have poor wood quality; not only have most of the nutrients already been consumed and used up, and the Armillaria aging phenomenon is serious, but there are also many factors carrying miscellaneous molds, which not only harms the growth of Gastrodia elata but also destroys the environmental conditions for Armillaria growth, so that the Armillaria source cannot well supply nutrition to Gastrodia elata, resulting in low per-unit yield of Gastrodia elata, or even total crop failure. 2. Use of multi-generation seed with degraded varietal characteristics
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Cotton drip irrigation automation project boosts yields
The Shihezi "Cotton Drip Irrigation Automatic Control Science and Technology Demonstration Project", which has been included in the national plan, will add another 15,000 mu to its experimental demonstration area this year on top of last year's. In recent years, after the Shihezi reclamation area vigorously promoted and applied cotton under-mulch drip irrigation technology, total cotton output and per-unit yield have increased substantially. **Tianye Group Corporation, as the largest domestic producer of agricultural water-saving drip irrigation equipment, has promoted water-saving drip irrigation over more than ten million mu. In order to seize the scientific and technological high ground, the company independently innovated and developed the "Cotton Drip Irrigation Automation
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How to grow oyster mushrooms for higher yields? These six tips are very practical
First, casing soil. After the mycelium has grown throughout the substrate, cover the mushroom bed with 1 cm of sandy loam soil, which generally increases the yield by about 10%. Insert-sheet stimulation: after the mycelium of the mushroom bed is fully grown, insert small wooden pieces, bamboo pieces, glass pieces or metal pieces into the mushroom bed, and within 1 week mushroom buds will emerge in large numbers along the inserted pieces. Second, hormone stimulation. During the young bud stage, spray with 0.001‰ triacontanol, which can increase the yield by 10%-15%. Spray once with 0.5‰ ethephon solution at the oyster mushroom bud stage, young mushroom stage and cap expansion stage, per square
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What are the ten methods for increasing oyster mushroom yields?
1. Temperature difference stimulation method: During the fruiting body formation and development stage of oyster mushrooms, giving a 7 to 12°C temperature difference stimulation every day can promote earlier fruiting and uniform fruiting body development. The specific method is: cover well with plastic film during the day to keep warm, and in the evening or morning on sunny days uncover the film to expose the bed, ventilate and cool down to increase the temperature difference; combine with high-humidity management to induce fruiting. 2. High humidity stimulation method: First open the mushroom bed (or mushroom blocks) and let them dry for 1-2 days, then spray water 2-3 times a day for 2-3 consecutive days, allowing the mushroom blocks to slowly absorb water, so that the culture medium on the surface of the mushroom blocks
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