Pleurotus ostreatus full-cover soil cultivation technology

Pleurotus ostreatus in production, the use of soil covering technology, mushroom mushroom body grow, short handle, cover thickness, bright color, good taste and flavor, yield can be increased by 30% to 50%, or even higher, and conducive to stable production, is a There is no need for reinvestment to increase production.

What is the role of earth covering? First, the cover soil provides a protective layer for the mycelium of the bacteria bed, so that the bacteria bed temperature changes and the amount of water evaporation becomes smaller, the mycelium will not dry out and die due to water loss, and it will not be atrophic or pathological due to direct water contact. Protected the normal physiological activities of mycelia; second, the earthwork exerted gravitational pressure and stimulation on the mycelium, and the mycelium originally grew in a rich nutrient environment. After covering the soil, it encountered an environment where the nutrition changed significantly and became “thin”, together with the cover soil layer. The sharp increase in the carbon dioxide concentration (8 to 10 times higher than normal air) forces the mycelium to undergo a physiological reaction - the mycelium becomes thicker and becomes kinked into the fruit body primordium; third, a large amount of water is stored in the overburden, Through the osmosis, the water requirement of the mycelia and the fruit body is satisfied. In addition, the application of lime powder in the casing can reduce the pH bed acidosis, and reduce the risk of bacteria; can cover the soil as a carrier and medium, by fertilizer to the bed, increase production; cover soil or mushroom fruiting body habitat and support Things and so on.

The choice of overburden material is very important. It is required that the soil texture be loose, there are many capillary pores, the structure of the granules is good, and the wet and non-sticky, dry, water-retaining, and partially organic clays have high clay content. Cover soil should be granular, soil particle diameter 0.5 ~ 1 cm, pH7.0 ~ 7.5 is appropriate. Avoid clods, excessive sand, excessive lime and raw soil. Can also be used to improve the soil, preparation methods: take the ground surface below 20 cm of vegetable garden soil, rice field soil or wood surface humus soil in the whole broken. Add 10% rice husk, 10% turfgrass, 2% superphosphate, 0.2% urea, 3% lime powder, 1% salt, mix and re-mix, spray 500 times and other mold fungicides and 1500 times dichlorvos and other insecticides The agent, the film seals use after two days.

The method of soil covering: mainly includes the method of earthwork covering the boring bed, the method of covering the earth with a single mud wall, and the method of filling the earth with a double-sided vegetative wall. The outline of the boring machine flat cover method is as follows: after the full bag of Pleurotus ostreatus and after the ripening period, it is opened in the cultivation site by 1.2 meters, the length is not limited, the boring machine is dug by 20 centimeters, and the bottom of the rake is loosened and smashed; Sprinkle a small amount of lime powder, spray the enemy dichlorvos, formaldehyde liquid disinfection insecticide; bacteria bags cut off from the middle after the bag, inoculated face up vertically on the trampoline (also can be done in advance bacterium bag), the spacing between the bags 5 cm; Prepare the cover soil to fill the gap until the soil layer reaches 2 cm in thickness; then flood the boring machine with large water, so that the cover soil will absorb enough water to dry the bare or submerged area with soil; . After the soil is covered, the hyphae will soon grow out of the soil, and it will bloom in a week or so. During the whole fruiting period, the soil layer should be kept moist, and water should be transferred to the fruit body flexibly according to the temperature, ventilation, and mushrooming conditions.

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