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1. Anti-nutrient Insufficient in the nutrient bed or haystack, the mycelium grows vigorously, the fruit body is hypertrophied, the mushroom production period is long, and the yield and quality are better. Therefore, in the cultivation of straw mushroom should choose high-quality, golden yellow straw, do not use mildew deterioration of straw, and add some soybean straw in the straw heap and chicken, ducks, pigs, cattle dry dung powder and other organic matter, to supplement Nitrogen source is conducive to high yield and quality of straw mushroom.
2. The lack of water resistance not only constitutes an important part of straw mushroom, but also all the nutrients can only be dissolved in water to be absorbed by the mycelium. The metabolites of straw mushroom must also be dissolved in water to excrete the body. Insufficient water will hinder the grass. Mushrooms grow and develop, even killing them. However, if the water is too much, it will affect the ventilation of the culture, inhibit the respiratory process, resulting in a large number of death of mycelium and buds. Practice has proved that: When the water content in the substrate or straw stack is about 65%, it is more suitable for the growth and development of straw mycelium. The relative humidity of the air around the mushroom bed is 85% to 90%, which is most suitable for the growth of grass mushroom fruiting bodies.
3. Sunlight-directed spore germination and mycelial growth of straw mushroom usually do not require sunlight, but fruit body formation requires sunlight. Diffuse light energy promotes the formation of fruit bodies and promotes their robust growth, increases their resistance to diseases and pests, promotes the transformation and accumulation of pigments, and deepens the color of fruit bodies. However, strong direct light has an inhibitory effect on the growth of fruit bodies. Therefore, open cultivation of straw must cover the grass, the site of "three points Yang Qifenyin" sparse forest shade is appropriate.
4. The prevention of air flow through fast enough oxygen is an important condition for the normal growth and development of the straw mushroom. If oxygen is insufficient and carbon dioxide accumulates too much, mushroom buds often stop growing or dying due to respiration inhibition. However, if the ventilation volume is too high, the water will disperse too quickly, which will also be detrimental to the growth of straw mushroom. Therefore, it is best to cultivate straw mushrooms in places where the convection of air is slow.
5. Anti-acidity and alkalinity imbalance pH value is an important factor affecting the growth and development of the straw mushroom. Practice has proved that: the pH value of the most suitable for the growth and development of the grass mycelium is from 7.2 to 7.5; the pH value of the most suitable fruit body formation and growth is about 7.4; The optimum pH value for spore germination is 7.4-7.6, and the acidity or alkalinity will affect the normal growth and development of the straw mushroom.
Problems to be Paid Attention to in the Summer
Straw mushroom is a saprophytic fungus. It must absorb ready-made nutrients and water from the dead plants and soil to survive. Therefore, experts reminded the mushroom farmer to guard against losses caused by insufficient nutrition and insufficient water.