夏秋季平菇袋栽如何预防污染

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(一)原料的选择要选用新鲜无霉变的原料,保管过久或受潮原料要放在阳光下暴晒二三天,生霉原料夏秋季不能用。 (二)塑料袋的选择生产平菇的塑料袋有两种,一种为聚丙烯袋,另一种为聚乙烯袋。聚丙烯袋耐高温、高压,而且透明度较大,不足之处易脆裂。聚乙烯袋的耐温性、透明度均不如前者,但韧性较好、不易破脆。农村常用土蒸锅灭菌,灭菌时间较长,最好选用厚度在3丝以上,宽度不超过22厘米的聚乙烯袋。 (三)培养料的配制麦麸、米糠、玉米粉等辅料营养丰富,添加一定的数量能增加产量,但是,夏季温度较高也极易造成污染,一定要严格控制其添加量。营养丰富的主料可不加或少加。有些必须添加辅料的原料可以适当加入一些尿素,尿素的添加量为0.5%。原料配制时可比常规含水量少一些,控制在55%左右。酸碱度调到9左右。料不可装得太紧,袋口一定要擦干净。 (A) the choice of raw materials to choose fresh mildew-free raw materials, custody for too long or damp raw materials to be exposed to the sun for two or three days, raw millet raw materials can not be used in summer and fall. (B) the choice of plastic bags Mushroom production Pleurotus There are two kinds, one for the polypropylene bags, and the other for polyethylene bags. Polypropylene bags high temperature, high pressure, and greater transparency, lack of vulnerability to fragile. Polyethylene bags of temperature resistance, transparency are not as good as the former, but toughness is good, not easy to crisp. Commonly used in rural soil steamer sterilization, sterilization longer, the best choice of the thickness of more than 3 silk, width not exceeding 22 cm polyethylene bags. (C) training material preparation Wheat bran, rice bran, corn flour and other accessories rich in nutrients, adding a certain amount can increase the yield, but the high summer temperatures can easily lead to pollution, we must strictly control the amount added. Nutritious ingredients can be added or less added. Some raw materials must add excipients can be properly added to some urea, urea was added 0.5%. Raw materials can be prepared less than the conventional water content, controlled at about 55%. PH adjusted to 9 or so. Material can not be loaded too tight, pocket must be clean.
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