How to Grow Straw Mushrooms for Higher Yields? Practical Methods Explained
What methods can increase the yield of straw mushrooms? Please give guidance. To increase straw mushroom yields, you can refer to the following methods: Secondary inoculation. Adopting a secondary inoculation measure helps increase straw mushroom yields. Straw mushroom mycelium grows too fast and is extremely prone to aging, which weakens its vitality and prevents it from effectively using the nutrients in the substrate...
What methods can increase the yield of straw mushrooms? Please give guidance.
To increase straw mushroom yields, you can refer to the following methods:
Secondary inoculation. Adopting a secondary inoculation measure helps increase straw mushroom yields. Straw mushroom mycelium grows too fast and is extremely prone to aging, which weakens its vitality and prevents it from effectively using the nutrients in the substrate to continue producing mushrooms. After the first flush of mushrooms is harvested, loosen the surface of the substrate and moisten it with lime water, adjusting the pH of the substrate to 8~9; then broadcast spawn over the surface, and after sowing cover with a thin layer of fermented substrate. Alternatively, after the first to second flush of mushrooms is harvested, turn the substrate blocks over, bring the bottom-layer substrate to the surface, spray with 1% lime water, and adjust the pH. Then carry out a second inoculation on the surface, with an inoculation amount of 2%~3%, which generally can increase the yield by about 30%.
Adjusting pH. Specific method: spraying 3% lime water onto the substrate not only replenishes water but also makes the substrate slightly alkaline; you can also spray the substrate with 0.1% urea and wheat bran water (100 kg water plus 10 kg wheat bran, boil and filter, take 50 kg filtrate and add 50 kg clear water). The urea amount is 0.1%~0.2%, and the amount must not be too much, otherwise it easily produces Coprinus contaminants; or supplement with dry cow dung and human urine. Break up the dry cow dung, add 40% human urine, mix well, pile it for 1 day before use, and apply it to the surface after each flush of mushrooms is harvested. If some chicken or duck manure is added, the effect will be even better.
Applying casing soil. Casing soil for straw mushrooms can improve the substrate's moisture-retention performance and its ability to adapt to temperature changes, making the mushrooms plump, reducing mushroom death, and increasing the yield by more than 20%. The casing soil material can be garden soil (dug from 8~10 cm below the surface), and the casing thickness is generally preferably 2 cm.
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