First, the cultivation of raw materials suitable for growth of Pleurotus eryngii matrix a lot of raw materials, such as miscellaneous wood chips, cotton seed shells, corn cob, bagasse, bean straw, etc. can be used as the main material, to prevent smashing cultivation bags and easy to mix materials bagging ( The bottle), sawdust must be sifted, straw must be crushed. Accessories can be added bran, rice bran, corn flour, cottonseed cake flour, calcium carbonate, sugar, gypsum powder and so on. Second, the cultivation season under natural conditions, according to the suitable growth temperature of Pleurotus eryngii, generally suitable for autumn and winter and winter and spring cultivation, but in the winter high temperature areas, arranged in December and February, mushrooming is better because If the temperature is too high or too low, it is difficult to form the primordium, which is unfavorable for the growth and development of fruit bodies. Therefore, whether in the south or in the north, the appropriate fruiting period should be arranged according to the suitable temperature for fruiting, and it is generally advisable that the temperature is reduced to 18°C ​​in advance of the cultivation of the bacteria bag for 50 days. If conditions are available, cold seasons can also be used to cool off the wrong seasons in the summer, and the economic benefits are higher. Third, cultivation methods Pleurotus eryngii cultivation due to the different culture containers used, bottle, box and bag planting methods. The most convenient and practical one is bag cultivation. 1. The flat rack type bag type method uses the original frame of the cold storage for the purpose of reducing the investment cost. The cold storage bed frame is generally 6 layers, the bed frame layer spacing 6O cm, the bed width 120 cm. Practical cultivation area is calculated as: Mushroom room area x60% x number of bed frames, such as mushroom room plane area 100m2x60%x6 shelf = 360m2, with a width of 20 cm, length 32 cm single head mushroom bag, each bag of wet material 1.2 kg, each The m2 bed frame can discharge 80 bags. The mushroom house can grow about 28,000 bags, and an average of 280 bags per 1 m2 of mushroom house can be discharged. The cold storage mushroom house must undergo three transformations: (1) To open the near-floor ventilation window, install a double-blind fan with shutters to remove heavier CO2 gas in time. (2) Appropriate lighting is a necessary condition for the normal mushrooming of Pleurotus eryngii. Therefore, a fluorescent lamp should be added to each layer of mushroom bed, and the intensity should reach 300-500 Lx in the darkest part. (3) High-pressure water pipes shall be added inside the mushroom house so as to install spray devices to increase the air humidity. In addition, it is advisable to have a drain to drain out the sewage and clean the environment. 2. The vertical crossbar type is suitable for use in greenhouses. The advantages of the vertical crossbar are as follows: (1) It is easy to set up lights, and you can use angle steel materials instead of shelves and save investment. (2) It is convenient and convenient to operate, and it is easy to operate and manage such as bagging, opening bags and picking mushrooms. (3) An average of 178 bags can be placed per 1 m2 of mushroom house. Data are as follows: The mushroom house is 15m long, 9m wide and has a flat area of ​​135m2. Set 8 rows of angle steel frame 2.5mx long and 12m=30 m2 with a total plane of about 240 m2. The width is 0.2 m, horizontal steel bars are placed every 0.7m, and one vertical steel is set per 1m width with a spacing of 0.9m. The double-head mushroom bag is 17 cm wide and 34 cm long. Each bag contains 1.2 kg of wet material, and 100 bags per 1 m2 of bed frame. The mushroom house can be cultivated for about 24000 bags, with an average of 1 m2. 178 bags. Fourth, the original species preparation medium formulation: wood chips 73%, bran 25%, sugar 1%, calcium carbonate 1%. Wheat, barley, corn, sorghum and other grains can also be used as a medium. According to the conventional method of compounding, processing, bottling (bag), sterilization, inoculation, and cultivation, the first kind of medium generally takes 30-35 days of mycelium to fill the bottle (bag), after the use of several types of grain medium, The mycelium covered the bag (bottle) faster, about 20 days. Fifth, the cultivation recipes can be formulated according to local conditions. Now five formulas are available for selection: 1. 36% of wood chips, 38% of cotton seed shells, 24% wheat bran, 1% white sugar, and 1% calcium carbonate. 2. 23% of wood chips, 23% of cotton seed shell, 19% of bran, 5% of corn flour, 28% of bean stalk powder, 1% of calcium carbonate, and 1% of white sugar. 3. 23% of mixed wood chips, 38% of cotton seed shell, 15% of bean stalk powder, 17% of bran, 5% of corn flour, 1% of calcium carbonate, 1% of sugar. 4. Mixed wood chips 37%, cotton shell 37%, bran l8%, corn flour 5%, calcium carbonate 1%, sugar 1%, lime powder 0.5%. 5. Bagasse 70%, rice bran 20%, corn flour 7%, sugar 1%, gypsum powder 1%, lime powder 1%. 6. Making cultivation bag The cultivation bag of Pleurotus eryngii is similar to the cultivation bag of Flammulina velutipes. Early autumn cultivation can use polypropylene bags, the advantage of this bag is good transparency, the bags after the sterilization by high temperature sterilization, there is no gap between the film material, difficult to produce sandwich mushroom. The disadvantage is that the low temperature in winter is easy to break, so high-density low-pressure polyethylene bags should be used. After the ingredients are weighed and mixed according to the formula ratio, the water content is adjusted to about 68%. If a single head mushroom bag is used, each bag of wet material has a weight of 1.2 kilograms. The best is a ring and a tampon. Fast bacteria. Steam sterilization at a pressure of 1.5 kg/cm2 for 2 hours, or steam sterilization at a temperature of 100°C for 16 hours. In the case of cotton seed strains, 30 bottles can be inoculated with the l bottle strain. After being inoculated, they are discharged upright on the bed frame of the bacterium room, protected from light culture, and the temperature is maintained at about 25°C. If a double-head mushroom bag is used, 1.2 kg of wet material per bag is used. Bags and straps can be folded. After waiting for warming to room temperature, inoculate in the inoculation box (chamber) according to the aseptic procedure. Take cotton shell strains, l bag strain inoculation 15-20 bags. Because the bacterium bag has no tampon when it is tied, when the mycelium grows more than 1/2 of the material, the bag should be loosened and the oxygen should be promoted to promote mycelial growth. Seven, mushroom management management mycelium full bag after the mushroom management, single head mushroom bag can be upright discharge on the bed frame, double head mushroom bag can cross code on the bed frame, the technical points are as follows: 1. Open the bag when the mycelium has not kinked before opening the bag, it is difficult to form the primordium or primordium to form very slowly, the mushroom is not neat, the economical character of the mushroom body is poor; when the primordium is formed or the bud mushroom buds are opened, the primordium differentiation and the small Mushrooms are well developed, fruiting and orderly, and economical characters of the mushroom body are good; if the fruiting body is opened when the fruit body has grown, malformed mushrooms will appear in the bag, and the mushroom that grows out will shrink and rot when it grows seriously. Therefore, the bag-opening time of bag-shaped Pleurotus eryngii should be controlled by opening the bag when the mycelium is kinked to form the primordium and the bud has emerged. Unwrapping the bag opening will make the bag film roll over to the upper surface of 2cm. . 2. The temperature of mushroom house directly affects the formation of primordia and the growth and development of fruit bodies. When the temperature is lower than 8 °C, the original base is difficult to form, that is, the already long mushroom body will stop growing, shrinking, turning yellow until death; When the temperature is above 18°C, the differentiated fruit bodies will suddenly grow rapidly and their quality will decline. When the temperature is above 20°C, the mycelium turns to vegetative growth, the effect of low temperature stimulation also disappears, the primordium ceases to develop, the nutrients in the buds turn back and wilt, and the formed young mushroom will also shrink and die. Therefore, the mushroom house temperature should be controlled at 13-15°C during the mushrooming period, so that the mushroom is fast, the mushroom bud is more, and the mushroom is neat, and it can be harvested in about 15 days. 3. Humidity mushroom room air humidity should be maintained at 85% -95%, humidity is too low, fruiting body Will shrink, the original base crack can not be differentiated, in order to improve the air humidity, it is best to use the sprayer nozzle spray water upward, do not spray water on the mushroom body, or fruiting body will affect the quality of yellow, in serious cases will cause decay. 4. Ventilation now requires sufficient oxygen for the original base period, and the CO2 concentration should be reduced to about 0.5%. Otherwise, the primordium will not differentiate and expand into a spherical shape. During the growth and development period of the mushroom body, fresh air is also needed, and the CO2 concentration should not exceed 0.4%. During the fruiting period, if the ventilation is poor, due to the high CO2 concentration, malformation mushrooms will appear, and if it encounters high temperature and high humidity weather, it will also cause fruiting bodies to rot. Therefore, the mushrooming room must maintain good ventilation and ventilation conditions, especially when a large number of mushroom buds occur, straightening the bag mouth membrane in time to prevent malformation due to lack of oxygen. 5. Illumination of the original primordial and fruiting bodies requires a certain degree of scattered light, and the appropriate light intensity is 300-500Lx. Note that there should be suitable light for each floor or row of bed frames, and there should be no dead ends. Eight, harvesting and yield generally can be harvested about 15 days after budding. In the bowl shape of the mushroom body, when the mushroom cover is not opened and the spores have not been ejected, the harvesting period is appropriate. The harvesting standard should be determined according to the needs of the market: foreign export mushroom requirements mushroom cover diameter 4-6cm, handle length 6-8cm; domestic market requirements on mushroom body is not very strict. After harvesting the first tidal mushroom, the second tidal mushroom can be harvested for another 2 weeks. The second tidal mushroom has a smaller flowering shape, and the mushroom stalk is short and the yield is low. Under normal conditions, the first tidal mushroom yields about 100-150 grams per bag, and the general biological efficiency is 40-60%. If the bags are filled with water or covered with soil in the later period, the mushroom production rate can reach 100% of the weight of the dried material.
[product name]: eggshell powder [appearance]: loose powder, no caking, no visible impurities. [color]: it has the inherent color of the product and is uniform [solubility]: ≥ 100% [application scope]: medical and health products, health and nutrition products, infant food, solid beverage, dairy products, convenience food, expanded food, condiment, middle-aged and old people's food, baked food, leisure food, cold food and cold drink, etc. [storage]: keep in a cool, dry place, away from light and high temperature. [product packaging]: double plastic bags for internal use, aluminum foil bags for external use, 1kg / bag, 10kg / box, 25kg / barrel, can be packed according to customer requirements. [shelf life]: two years.
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