1. Production Season

The seed production and sowing time of oyster mushrooms vary due to different climates in different regions and different temperature tolerances of varieties. Taking Central China, East China, and North China as an example, natural temperatures are used to produce oyster mushrooms. Generally, medium and low-temperature varieties are produced from late July to early or mid-August, and are produced from mid-to-late August to early or mid-September. For medium-temperature varieties, the original seeds are produced from November to December, and the seeds are produced from January to February; for high-temperature varieties, the original seeds are produced from March to April, and the seeds are produced from April to May. Sowing can be divided into autumn sowing, winter sowing and spring sowing. The sowing period for autumn sowing is from mid-August to early October. If sown before early August, because the daily average temperature is above 25°C, although the mushrooms will fruit quickly, they are easily contaminated by miscellaneous bacteria during the germination period. The optimal sowing period for autumn mushrooms is from late August to late September. At this time, the daily average temperature has dropped below 20°C, which is unfavorable for the growth of miscellaneous bacteria. It usually takes 35 to 40 days for mushrooms to be produced, which is suitable for large-scale commercial mushroom production. It is best to sow seeds during this time. Winter sowing is sown from late October to late November. If sown in late October, it will take about two months for mushrooms to emerge. The peak production period begins around the Spring Festival, and there is a good market for fresh mushrooms. If sown in late November, it will take 80 to 90 days until the temperature rises in early March of the following year. Can produce mushrooms. Spring sowing should be done after February. Although the temperature is low and the germs develop slowly, there is little bacterial contamination. Mushrooms will appear in mid-to-late April, and it is not suitable to sow as late as March.

2. Ingredients and mixers

Traditional formula 1: 80% corn cob, 18% wheat bran

1% gypsum

Lime 1%

Carbendazim

0.15%

Traditional recipe 2: Cottonseed hulls 70%

Bran ??12%

p>

Superphosphate

1%

Straw 1.5%

Sugar

l%

Gypsum 1%

Carbendazim

0.15%

Traditional formula three: corn cob 69%

Bean straw 30%< /p>

Lime 0.5%

Superphosphate 0.5%

Carbendazim

0.15%

Inside of Xuemei Formula: Use the "Guerzhuang" seasoning to provide comprehensive nutrition for edible fungi to facilitate the growth and reproduction of mycelium and achieve a carbon-nitrogen ratio suitable for the growth and development of oyster mushrooms. In terms of cost reduction, this batching method can save 1,200 yuan of fine materials per 10,000 bags and increase production by 30%-40%.

Recommended ingredients for Xuemei

Second-level formula

Sawdust: 80 jins

Wheat bran: 3 jins

Corn flour: 2 pounds (or half a pound of sugar)

Guerzhuang: 0.16 pounds

Gypsum: 0.8 pounds (must be pure gypsum)

Third-level seed formula

Cotton seed hulls, sawdust (or mixture): 80 jins

Guerzhuang: 0.18 jins

Lime: 1 jin

Carbendazim (sulfur-free, 25% powder): 0.15%

The raw materials are required to be free of mold and rot. Mixed materials are more effective than single materials. Raw materials such as straw and corn cobs should be crushed into coarse chips or corn kernel-sized particles.

In the above formula, if cottonseed shells, sawdust, and corn cobs are used as culture materials to produce oyster mushrooms, first mix the dry ingredients of each formula, and then dissolve the mushrooms and carbendazim in warm water. Medium, add water while mixing the ingredients to avoid losing the mixing water, and the water content reaches about 65%. After mixing the ingredients, pile them together and simmer for 12 hours, allowing them to fully absorb enough water, and adjust the pH to about ph7.5. At this time, the water content is 65% (hold it firmly with your hands, and there will be water oozing out between the fingers, but it will not drip. appropriate), then bagged and

sterilized.

If straw powder is used as culture material, a mask should be worn to prevent dust inhalation.

The above is excerpted from "Oyster Mushroom Cultivation Technology" of Chaihe Edible Fungi Society. I hope it will be useful to you.