External nutrient source for manually increasing yield of dictyophora rubrovolvata and use method of external nutrient source
By using external nutrient sources prepared through fermentation and specific cultivation management measures, the problems of high costs and pests in the cultivation of red-topped bamboo fungus have been solved, resulting in a high-efficiency and stable increase in the yield of red-topped bamboo fungus.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUIZHOU JINCHAN DASHAN BIOTECHNOLOGY CO LTD
- Filing Date
- 2025-12-19
- Publication Date
- 2026-04-24
AI Technical Summary
The current artificial cultivation of red-topped bamboo fungus involves a large amount of substrate used per unit area, high cultivation costs, unbalanced nutrient supply, and susceptibility to pests and diseases, resulting in low and unstable yields. There is a lack of effective nutrient management programs for the mycelial growth period.
An external nutrient source is prepared by fermentation using raw materials such as pine sawdust, wheat bran, and soybean flour. Through two fermentation processes, it provides rapid and stable nutritional support, reduces the amount of mushroom sticks used, and adds an external nutrient source to promote mycelial growth. This is combined with specific cultivation management measures such as mulching and humidity control.
It reduced the unit cultivation cost of red-topped bamboo fungus, increased yield, and reduced the risk of pests and diseases. In particular, it significantly increased yield in high-altitude, cold climates, achieving efficient and stable production of red-topped bamboo fungus.
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Abstract
Description
Technical Field
[0001] This invention relates to the field of edible fungi cultivation technology, and in particular to an external nutrient source for artificially increasing the yield of red-topped bamboo fungus and its application method. Background Technology
[0002] Red-topped bamboo fungus (Dictyophora indusiata Vent. ex PersFisch), also known as bamboo fungus, bamboo mushroom, bamboo ginseng, etc., is a cryptogamic fungus that parasitizes the roots of dead bamboo.
[0003] Currently, the artificial cultivation of *Dictyophora indicum* (red-topped bamboo fungus) generally suffers from problems such as high usage of substrate and high cultivation costs per unit area. Traditional cultivation methods often rely on a large number of high-quality substrates for nutrition, which not only increases the cost of spawn production and transportation but also puts pressure on forest resources. Simultaneously, some cultivation methods use inadequate nutrient source formulas, leading to unbalanced nutrient supply and susceptibility to pests and diseases later on. This results in poor mycelial growth, low fruiting volume, and unstable quality, severely restricting the large-scale and high-efficiency development of the *Dictyophora indicum* industry. Furthermore, existing technologies lack targeted measures for nutrient management during the critical growth stages of *Dictyophora indicum* mycelium, especially regarding how to quickly provide continuous, stable, and safe nutrient support to the mycelium after substrate removal from the bags. A mature and effective solution has not yet been developed, making it difficult to fully realize the yield potential of *Dictyophora indicum*. Summary of the Invention
[0004] An external nutrient source for artificially increasing the yield of *Dictyophora indicum*, characterized by being prepared through the following steps: (1) Pretreatment of pine sawdust: Pine wood antibacterial and insect-repellent formula: By weight percentage, it consists of 10%-20% sawdust A and 90%-80% sawdust B; sawdust A is broadleaf sawdust smaller than 2mm, and sawdust B is pine sawdust 4-6mm. Sawdust A is ordinary hardwood sawdust, which is smaller and more fluffy than sawdust B. Red-topped bamboo fungus mycelium can grow rapidly on sawdust A, and adding sawdust A can promote mycelial growth; sawdust B is pine sawdust, which contains a large amount of antibacterial substances and can also prevent insect damage. In the early stage of fermentation, the temperature is low, and adding sawdust B can inhibit the growth of harmful microorganisms. (2) Primary fermentation treatment: ① Pre-wetting of raw materials: After adding sawdust A and sawdust B in proportion, use a forklift to push the sawdust into the fermentation chamber. There is a spray at the top of the fermentation chamber and a ventilation pipe at the bottom. The mixed sawdust is first humidified by spraying. ② Heating fermentation: In order to quickly kill harmful organisms and decompose harmful substances, air is introduced from the bottom of the fermentation chamber into the pre-wetted sawdust. (3) Secondary fermentation process: After the primary fermentation is completed, the secondary fermentation stage is entered; by weight percentage, 60%-90% of the primary fermented sawdust, 5%-10% of cottonseed hulls, 15%-20% of bran, and 5% of soybean flour are mixed together and fermented sawdust and raw materials are put into the fermentation chamber again using a loader for fermentation. Due to the addition of auxiliary materials such as bran and soybean flour that are conducive to biodegradation, the temperature of the material pile can rise to 60℃ after about 10 hours of aeration during the secondary fermentation; when the temperature reaches 60℃, the aeration is stopped; after 72 hours, the pile is turned over, and the total fermentation time is 7 days; after the fermentation is completed, the moisture content of the fermented material is 50-60%, and the pH value is 5.5-6.0; After two fermentations, the final mixed fermented material is the external nutrient source used for cultivating red-topped bamboo fungus.
[0005] Furthermore, after the spraying in step (2) is completed, the moisture content of the wood chips reaches 45-55%.
[0006] Furthermore, after introducing air in step (2), blow air for 4-6 hours daily; stop blowing air when the temperature rises to 70°C.
[0007] Furthermore, in the fermentation process of step (2), the pile is turned over every 3 days, and the total fermentation time is about 15 days.
[0008] Furthermore, after the fermentation in step (2) is completed, the moisture content of the fermentation material is 50-60%, and the pH value is 5.5-6.0.
[0009] Furthermore, in step (3), during the secondary fermentation, aeration is stopped when the temperature reaches 60°C.
[0010] Furthermore, in step (3), after 72 hours of secondary fermentation, the pile is turned over, and the total fermentation time is 7 days.
[0011] The application of external nutrient sources to artificially increase the yield of red-topped bamboo fungus in the cultivation of red-topped bamboo fungus.
[0012] The method of using an external nutrient source to artificially increase the yield of *Dictyophora indicum* is to cover the *Dictyophora indicum* spawn with the external nutrient source.
[0013] Furthermore, the specific steps include the following: (1) The use of external nutrient sources to cultivate red-topped bamboo fungus sticks must be within the range of 5-10℃. Generally, cultivation can be carried out in Guizhou from January to March each year. (2) Pack the fermented external nutrient source into woven bags, each bag containing 25 kg, and transport the packed bags to the cultivation site for use. (3) Soil pretreatment: Till the land. The tillage depth of the land after tilling is 20 to 25 cm. (4) Planting of fungus sticks: Conventional cultivation of red-topped bamboo fungus sticks requires 18 to 22 kg of red-topped bamboo fungus sticks per square meter of land, while the present invention uses 10 kg of red-topped bamboo fungus sticks per square meter of land, and adds 20 kg of external nutrient source at the same time; (5) Filling the mushroom sticks and external nutrient source: Place the mushroom sticks in a soil compartment with a width of 40cm, a depth of 5cm and an unlimited length. Arrange two rows of mushroom sticks in the direction of the soil, with a spacing of 8 to 10cm in the direction of the soil and a spacing of 4 to 6cm in the direction of the soil. Fill all the gaps between the mushroom sticks with fermented material from the external nutrient source. (6) Cover the mushroom sticks with soil. Cover the mushroom sticks filled with external nutrient source fermentation material and the surrounding area with 3-5cm thick soil. (7) Management of mycelial feeding on external nutrient sources during critical periods: ① After covering the soil, do not spray water. Cover the soil surface with a layer of white mulch to keep it moist. Maintain the ground temperature between 5-15 degrees Celsius. Observe the growth of mycelium in the soil every 7 days. ②When more than 80% of the external nutrient source under the soil is infected by the mycelium of *Dictyophora indica*, holes are punched in the plastic film on the soil surface. Two holes are punched every 10cm to allow air to be released and promote mycelial growth. ③ After drilling the air vents, it will take about 7-10 days for the soil film to form. Then, use a sprayer to water the soil, thoroughly watering the 3-5cm soil layer. (8) Management of mycelium on soil: After the mycelium is on the soil, control the soil temperature to 10 to 20℃, the relative humidity of the ground to 65% to 70%, and the relative humidity of the air to 90% to 95%. No light is needed during the mycelium twisting stage. (9) Management during the fruiting stage: When the bamboo eggs grow to 1 to 2 cm, control the ground temperature to 18 to 25℃, the relative humidity of the ground to 65% to 70%, the relative humidity of the air to 85% to 90%, and the workers should be exposed to light during water replenishment and other operations. During the fruiting stage, supplement with diffused light with a light intensity of 200 to 500 lx. (10) Harvesting: Harvest when the skirt of the red-topped bamboo fungus has fully opened and the spore colloid has begun to autolyze and drip.
[0014] Compared with the prior art, the technical effects of this invention are reflected in: (1) This invention uses raw materials such as pine sawdust, wheat bran, corn flour, peat moss and trace elements to ferment before planting to make a special external nutrient source for the cultivation of red-topped bamboo fungus.
[0015] (2) When planting red-topped bamboo fungus, a certain proportion of external nutrient source is added after the fungus sticks are removed from the bags. The pre-treated external nutrient source can be quickly infected by bamboo fungus mycelium. At the same time, the fermented pine sawdust has the characteristics of being resistant to decomposition and not easily causing pests and diseases, which can provide nutrient source for the later fruiting of bamboo fungus sticks.
[0016] (3) This invention uses pine wood, which cannot be used on other edible fungi, as the main raw material to make a special external nutrient source for red-topped bamboo fungus, providing a method to reduce the cultivation cost per unit area of red-topped bamboo fungus and increase the yield of red-topped bamboo fungus.
[0017] (4) The method provided by the present invention can reduce the use of fungal sticks in the cultivation process of red-topped bamboo fungus per unit area, thereby reducing costs and increasing the yield of red-topped bamboo fungus. In particular, it can significantly increase the yield of the first crop of red-topped bamboo fungus in cold climates at high altitudes.
[0018] (5) The method provided by the present invention can increase the yield per unit area of red-topped bamboo fungus.
[0019] (6) The use of external nutrient source in this invention can reduce cultivation costs by more than 30%.
[0020] (7) This invention can reduce the risk of contamination by miscellaneous bacteria during the cultivation of red-topped bamboo fungus sticks. Detailed Implementation
[0021] The technical solution of the present invention will be further defined below with reference to specific embodiments, but the scope of protection is not limited to the descriptions provided.
[0022] Example 1 I. Pretreatment of Pine Wood Chips (1) Pine wood antibacterial and insect-repellent formula: by weight percentage, it consists of 10% wood chips A and 90% wood chips B; among which, wood chips A is broad-leaved wood chips less than 2mm and wood chips B is pine wood chips of 4-6mm.
[0023] (2) Primary Fermentation Treatment: 2.1 Pre-wetting of Raw Materials: After adding sawdust A and sawdust B in proportion, a forklift is used to push the sawdust into the fermentation chamber. The fermentation chamber has a spray system at the top and a ventilation pipe at the bottom. The mixed sawdust is first humidified by spraying. After spraying, the moisture content of the sawdust reaches 50%. 2.2 Heating Fermentation: In order to quickly kill harmful organisms and decompose harmful substances, air is introduced into the pre-wetted sawdust from the bottom of the fermentation chamber. Air is blown for 5 hours a day. When the temperature rises to 70℃, the air blowing operation is stopped. Thereafter, the pile is turned over every 3 days. The total fermentation time is about 15 days. After the fermentation is completed, the moisture content of the sawdust is measured to be 45%, and the pH value is 6.5.
[0024] (3) Secondary fermentation process: After the primary fermentation, the secondary fermentation stage begins. By weight percentage, 70% of the primary fermented sawdust, 10% of cottonseed hulls, 15% of wheat bran, and 5% of soybeans are mixed together and placed into the fermentation chamber again using a loader. After aeration for about 6 hours during the secondary fermentation, the temperature of the pile can reach 61℃. When the temperature reaches 61℃, aeration is stopped. The pile is turned over after 72 hours, and the total fermentation time is 7 days. After fermentation, the moisture content of the fermented material is 55%, and the pH value is 5.5.
[0025] After two fermentations, the final mixed fermented material is the external nutrient source used for cultivating red-topped bamboo fungus.
[0026] On February 18, 2023, 6,000 kg of the aforementioned external nutrient source and 3,000 red-topped bamboo fungus sticks were transported to Nayong Huazuo Forest Farm, at an altitude of 1,550 meters, for understory cultivation, covering a total of 3 mu of land.
[0027] On February 19th, under the forest cover, the rotary tillage depth was 20cm.
[0028] After the land is prepared, remove the red-topped bamboo fungus spawn from the bags and place the spawn in a 40cm wide, 5cm deep, and unlimited length compartment in the soil. Arrange the spawn in two rows with a longitudinal spacing of 8 to 10cm and a transverse spacing of 4 to 6cm. Fill all the gaps between the spawn with external nutrient source fermented material. Use 1000 spawn spawn per acre, fill with 2000 kg of external nutrient source, cover with 3 to 5cm of soil, and cover with a transparent film.
[0029] After February 2nd, the mycelium enters a critical period of consuming external nutrient sources, requiring careful management. ① After covering the soil, do not spray water. Cover the soil surface with a layer of white mulch to keep it moist. Maintain the ground temperature between 5-15 degrees Celsius. Observe the growth of mycelium in the soil every 7 days. ②When more than 80% of the external nutrient source under the soil is infected by the mycelium of *Dictyophora indica*, holes are punched in the plastic film on the soil surface. Two holes are punched every 10cm to allow air to be released and promote mycelial growth. ③ After drilling the air vents, on the 8th day, when the soil film forms, use a sprayer to water it, thoroughly watering the 3-5cm soil layer.
[0030] On March 1st, mycelium was placed on the soil for management. After the mycelium was placed on the soil, the soil temperature was controlled at 15℃, the relative humidity of the ground was 65% to 70%, and the relative humidity of the air was 90% to 95%. No light was required during the mycelium twisting stage. On July 13, management during the mushroom growing stage: when the bamboo mushrooms grew to 1 to 2 cm, the soil temperature was 20℃, the relative humidity of the ground was 65%, and the relative humidity of the air was 85%.
[0031] Harvesting on August 18: Harvest the red-topped bamboo fungus when its veil has fully opened and the spore colloid has begun to autolyze and drip.
[0032] The harvest ended on October 23, 2023, and the yield is shown in Table 1 below: Table 1. Statistics on Bamboo Fungus Cultivation Yield
[0033] Table 1 lists numbers 1, 2, and 3 as examples of this embodiment, and numbers 4 and 5 as examples of pure mycelium cultivation. As can be seen from Table 1, when bamboo fungus is cultivated using the method provided by this invention, the incidence of diseases in red-topped bamboo fungus is less than 1%, and the yield of red-topped bamboo fungus can reach more than 1100 kg per mu.
[0034] Example 2 I. Pretreatment of Pine Wood Chips (1) Pine wood antibacterial and insect-repellent formula: by weight percentage, it consists of 20% wood chips A and 80% wood chips B; among which, wood chips A is broad-leaved wood chips less than 2mm and wood chips B is pine wood chips of 4-6mm.
[0035] (2) Primary Fermentation Treatment: 2.1 Pre-wetting of Raw Materials: After adding sawdust A and sawdust B in proportion, a forklift is used to push the sawdust into the fermentation chamber. The fermentation chamber has a spray system at the top and a ventilation pipe at the bottom. The mixed sawdust is first humidified by spraying. After spraying, the moisture content of the sawdust reaches 45%. 2.2 Heating Fermentation: In order to quickly kill harmful organisms and decompose harmful substances, air is introduced into the pre-wetted sawdust from the bottom of the fermentation chamber. Air is blown in for 7 hours a day. When the temperature rises to 70℃, the air blowing operation is stopped. Thereafter, the pile is turned over every 3 days. The total fermentation time is about 15 days. After fermentation, the moisture content of the sawdust is measured to be 40% and the pH value is 7.
[0036] (3) Secondary fermentation process: After the primary fermentation is completed, the secondary fermentation stage begins. By weight percentage, 80% of the primary fermented sawdust, 5% cottonseed hulls, 10% wheat bran, and 5% soybeans are mixed together and placed into the fermentation chamber again using a loader. After aeration for about 7 hours during the secondary fermentation, the temperature of the pile can reach 60℃. When the temperature reaches 60℃, aeration is stopped. The pile is turned over after 72 hours, and the total fermentation time is 7 days. After fermentation, the moisture content of the fermented material is 50%, and the pH value is 5.8.
[0037] After two fermentations, the final mixed fermented material is the external nutrient source used for cultivating red-topped bamboo fungus.
[0038] On March 18, 2025, 8,000 kg of the aforementioned external nutrient source and 4,000 red-topped bamboo fungus sticks were transported to Nayong Huazuo Forest Farm, at an altitude of 1,350 meters, for understory cultivation, covering a total of 4 mu of land.
[0039] On March 19, under the forest, the rotary tillage depth was 20cm.
[0040] After the land is prepared, remove the red-topped bamboo fungus spawn from the bags and place the spawn in a 40cm wide, 5cm deep, and unlimited length compartment in the soil. Arrange the spawn in two rows with a longitudinal spacing of 8 to 10cm and a transverse spacing of 4 to 6cm. Fill all the gaps between the spawn with external nutrient source fermented material. Use 1000 spawn spawn per acre, fill with 2000 kg of external nutrient source, cover with 3 to 5cm of soil, and cover with a transparent film.
[0041] After March 20th, the mycelium enters a critical period of consuming external nutrient sources, requiring careful management. ① After covering the soil, do not spray water. Cover the soil surface with a layer of white mulch to keep it moist. Maintain the ground temperature between 5-15 degrees Celsius. Observe the growth of mycelium in the soil every 7 days. ②When more than 80% of the external nutrient source under the soil is infected by the mycelium of *Dictyophora indica*, holes are punched in the plastic film on the soil surface. Two holes are punched every 10cm to allow air to be released and promote mycelial growth. ③ After drilling the air vents, on the 8th day, when the soil film forms, use a sprayer to water it, thoroughly watering the 3-5cm soil layer.
[0042] On March 29, mycelium was placed on the soil for management. After the mycelium was placed on the soil, the soil temperature was controlled at 18℃, the relative humidity of the ground was 65% to 70%, and the relative humidity of the air was 90% to 95%. No light was required during the mycelium twisting stage.
[0043] On June 13, management during the mushroom growing stage: when the bamboo mushrooms grew to 1 to 2 cm, the soil temperature was 20℃, the relative humidity of the ground was 65%, and the relative humidity of the air was 85%.
[0044] Harvesting on September 18: Harvest the red-topped bamboo fungus when its veil has fully opened and the spore colloid has begun to autolyze and drip.
[0045] Harvesting ended on October 15, 2025. The yield statistics are shown in Table 2 below: Table 2. Statistics on Bamboo Fungus Cultivation Yield
[0046] Table 2 lists numbers 1, 2, 3, and 4 as examples of this embodiment, and number 5 as pure mushroom stick cultivation. As can be seen from Table 2, when bamboo fungus is cultivated using the method provided by this invention, the disease incidence rate of red-topped bamboo fungus is less than 1%, and the yield of red-topped bamboo fungus can reach more than 1200 kg per mu.
[0047] Based on the above embodiments and comparative results, it can be seen that the method provided by the present invention for increasing the yield of *Dictyophora indicum* by using an external nutrient source can reduce the planting cost of *Dictyophora indicum*, increase the yield of *Dictyophora indicum*, and reduce the occurrence of diseases in *Dictyophora indicum*.
[0048] Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the technical solution of the present invention is not limited to the above embodiments, and many variations are possible. All variations that can be directly derived or conceived by those skilled in the art from the content disclosed in this invention should be considered within the scope of protection of this invention.
Claims
1. An external nutrient source for artificially increasing the yield of *Dictyophora indicum*, characterized in that, It is prepared through the following steps: (1) Pretreatment of pine sawdust: ① Pine wood antibacterial and insect-repellent formula: by weight percentage, it consists of 10% - 20% wood chips A and 90% - 80% wood chips B; among which, wood chips A is broad-leaved wood chips less than 2mm, and wood chips B is pine wood chips of 4 - 6mm. (2) Primary fermentation treatment: ① Pre-wetting of raw materials: After adding sawdust A and sawdust B in proportion, use a forklift to push the sawdust into the fermentation chamber. There is a spray at the top of the fermentation chamber and a ventilation pipe at the bottom. The mixed sawdust is first humidified by spraying. ② Heating fermentation: In order to quickly kill harmful organisms and decompose harmful substances, air is introduced from the bottom of the fermentation chamber into the pre-wetted sawdust. (3) Secondary fermentation process: After the primary fermentation is completed, the secondary fermentation stage begins. By weight percentage, 60%-90% of the primary fermentation sawdust, 5%-10% of cottonseed hulls, 15%-20% of bran, and 5% of soybean flour are mixed and then placed into the fermentation chamber again using a loader. Due to the addition of auxiliary materials such as bran and soybean flour that are conducive to biodegradation, the temperature of the material pile can rise to 60℃ after about 10 hours of aeration during the secondary fermentation. When the temperature reaches 60℃, the aeration is stopped until the fermentation is completed. After two fermentations, the final mixed fermented material is the external nutrient source used for cultivating red-topped bamboo fungus.
2. The external nutrient source for artificially increasing the yield of *Dictyophora indicum* according to claim 1, characterized in that, After the spraying in step (2) is completed, the moisture content of the wood chips reaches 45-55%.
3. The external nutrient source for artificially increasing the yield of *Dictyophora indicum* according to claim 2, characterized in that, After introducing air in step (2), blow air for 4-6 hours daily; stop blowing air when the temperature rises to 70°C.
4. The external nutrient source for artificially increasing the yield of *Dictyophora indicum* according to claim 1, characterized in that, In the fermentation process of step (2), the pile is turned over every 3 days.
5. The external nutrient source for artificially increasing the yield of *Dictyophora indicum* according to claim 1, characterized in that, After the fermentation in step (2) is completed, the moisture content of the fermentation material is 50-60% and the pH value is 5.5-6.
0.
6. The external nutrient source for artificially increasing the yield of *Dictyophora indicum* according to claim 1, characterized in that, In step (3), during the secondary fermentation, when the temperature reaches 60°C, aeration is stopped.
7. The external nutrient source for artificially increasing the yield of *Dictyophora indicum* according to claim 1, characterized in that, In step (3), the pile is turned over after 72 hours of secondary fermentation.
8. The application of the external nutrient source for artificially increasing the yield of *Dictyophora indicum* as described in claim 1 in the cultivation of *Dictyophora indicum*.
9. The method of using the external nutrient source for artificially increasing the yield of *Dictyophora indicum* as described in claim 1, characterized in that, This external nutrient source was used to cover the *Dictyophora indica* spawn.
10. The method of use according to claim 9, characterized in that, Includes the following steps: (1) The cultivation of red-topped bamboo fungus logs using external nutrient sources must be carried out when the ambient temperature is between 5-10℃; (2) Pack the fermented external nutrient source into woven bags, each bag containing 25 kg, and transport the packed bags to the cultivation site for use. (3) Soil pretreatment: Till the land. The tillage depth of the land after tilling is 20 to 25 cm. (4) Planting of fungus sticks: Conventional cultivation of red-topped bamboo fungus sticks requires 18 to 22 kg of red-topped bamboo fungus sticks per square meter of land, while the present invention uses 10 kg of red-topped bamboo fungus sticks per square meter of land, and adds 20 kg of external nutrient source at the same time; (5) Filling the mushroom sticks and external nutrient source: Place the mushroom sticks in a soil compartment with a width of 40cm, a depth of 5cm and an unlimited length. Arrange two rows of mushroom sticks in the direction of the soil, with a spacing of 8 to 10cm in the direction of the soil and a spacing of 4 to 6cm in the direction of the soil. Fill all the gaps between the mushroom sticks with fermented material from the external nutrient source. (6) Cover the mushroom sticks with soil. Cover the mushroom sticks filled with external nutrient source fermentation material and the surrounding area with 3-5cm thick soil. (7) Management of mycelial feeding on external nutrient sources during critical periods: ① After covering the soil, do not spray water. Cover the soil surface with a layer of white mulch to keep it moist. Maintain the ground temperature between 5-15 degrees Celsius. Observe the growth of mycelium in the soil every 7 days. ②When more than 80% of the external nutrient source under the soil is infected by the mycelium of *Dictyophora indica*, holes are punched in the plastic film on the soil surface. Two holes are punched every 10cm to allow air to be released and promote mycelial growth. ③ After drilling the air vents, it will take about 7-10 days for the soil film to form. Then, use a sprayer to water the soil, thoroughly watering the 3-5cm soil layer. (8) Management of mycelium on soil: After the mycelium is on the soil, control the soil temperature to 10 to 20℃, the relative humidity of the ground to 65% to 70%, and the relative humidity of the air to 90% to 95%. No light is needed during the mycelium twisting stage. (9) Management during the fruiting stage: When the bamboo eggs grow to 1 to 2 cm, control the ground temperature to 18 to 25℃, the relative humidity of the ground to 65% to 70%, the relative humidity of the air to 85% to 90%, and the workers should be exposed to light during water replenishment and other operations. During the fruiting stage, supplement with diffused light with a light intensity of 200 to 500 lx. (10) Harvesting: Harvest when the skirt of the red-topped bamboo fungus has fully opened and the spore colloid has begun to autolyze and drip.