There are two kinds of spring cultivation and autumn planting for Auricularia polytricha and A.hispida, and most of them are cultivated in spring. However, the spring planting generally has low temperature in the early stage and it is difficult to produce bacteria; the ear temperature is high in the late period and there are many deformed ears. In order to solve this problem, we will carry out cultivation over the summer. Feeding 2000 kg, producing 4,000 bags of fungus, 90% success rate after germination, to the end of September, a total of 2934 kilograms of ear fresh harvest, biological efficiency of 159.46%, and achieved good economic benefits. Its cultivation techniques are as follows:

(a) The production of fungus tube fur auricular cover soil over the summer cultivation, inoculation time of the production tube should be 30 to 45 days after conventional spring planting, that is, late April to early May, when the temperature is 20-30 °C days, is suitable Auricular mycelium grows. Preparation of culture materials: 80% cotton shell, 16% bran, 1% each of sugar, gypsum, quicklime, and superphosphate. About 1:1.2 ratio of material to water, the first sugar and superphosphate dissolved in water, and then splashing while mixing materials until uniform. The bag was loaded into a 1733 cm polyethylene bag. The bag was filled with about 500 grams of dry material and sealed after sterilization at atmospheric pressure. After inoculation, the douche chambers were stacked in a well-shaped pattern with 6-8 floors. Ventilation room requires good ventilation, can shading, the temperature is controlled below 30 °C, open the windows and doors every morning and evening ventilation once, 30 minutes each time. During the later period of germination, the temperature gradually increased, and the number and time of ventilation should be increased accordingly. Turn it around once a week to check the germs and remove contaminated bacteria. If the growth potential of the mycelia is found to be poor or not eaten, oxydation may be performed to promote mycelial growth. Usually cultivated 35-40 days, hyphae can be filled with bags.

(b) After the bag is covered with soil bags covered with hyphae, it can be bag-covered and soil-covered. Before the bag is taken out, it is necessary to do it. Choose a near-water source, a well-ventilated cool place (in the forest or using a mushroom shed) to make a rake that is 1 meter wide and 20 centimeters deep and has an unlimited length. The trampoline is in a turtle shape and is sprinkled with a thin layer of lime on the surface. . Then use 0.1% potassium permanganate solution to scrub the fungus tube, and then use a sharp blade to cut open the film and take it out of the bag, neatly lined up on the trampoline, covering a layer of 2 cm thick vegetable garden soil or field fine soil, soil fertile, loose. The last frame is covered with film and moisturized.

(3) The key to the management of the buried ear management is soil moisture regulation. Generally, water spray management is performed on the second day after earth-covered soiling, and each spray is performed sooner or later. At this time, the high temperature and high evaporation amount cause the evaporation to occur during the summer. Therefore, fine spray and light spray should be performed when the water is sprayed so that the water can permeate the soil and be maintained at all times. Cover soil moist. Generally, the hyphae begin to extend to the soil surface in 2-3 days of earth-covering, and ear buds begin to appear in about 12 days and begin to enter the ear period. At this time, the spray should be increased to 3-4 times a day, when the water spray should be combined with ventilation, so dry and wet, alternating wet and dry, in order to maintain the ear is not dry, do not close the edge. Cover the membrane with rain in the rain, but leave vents on both ends. During this period, we must keep the ear air fresh, and the air humidity should be controlled at 90 to 95%. For example, about 15 days after the ear buds, the ears are fully deployed, with wavy lines on the edges and harvested when the ears are loose. After the first tide has been harvested, the residual ear roots on the surface of the cover soil shall be promptly removed, water spray shall be stopped for 2-3 days, and the cover film shall be kept warm to allow the hyphae to resume growth. About 4 to 5 days, when the second tidal ear buds begin to form, the membrane is ventilated and sprayed with moisturizing. The method is the same as above. Under normal circumstances, 5-6 tides can be harvested, and the biological effect is stable at about 150%.

The cultivation of fur auricular overburden over the summer has the advantages of stable material temperature, less pollution, rapid ear output, large and neat ears, well-defined times, and no site restrictions. At the same time, it can overcome the shortcomings of the slow growth of mycelium during the period of spring-growing bacteria and the difficulty of ear-warming at the late stage of autumn. Moreover, due to the enhanced moisture retention after covering the soil, the phenomenon of water loss in conventional bags is avoided, and thus the effect of increasing production is obvious.

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