1．选好菌种，适时播种因锯木屑粗纤维含量高，菌丝吃料难，而玉米芯含糖量高，易感染杂菌，故应选用抗性强、生长快、生物学效率高的品种，如A×3和01等。播种时，应尽量避开高温季节。一般可按排在10月中旬至翌年2月下旬。2．准备原料及制作菌种锯木屑最好选用少含针叶树、苦 1. Select a good species, timely sowing because of sawdust crude fiber content is high, difficult to eat mycelium, and high content of corn cob sugar, susceptible to bacteria, it should be used strong resistance, fast growth, high biological efficiency varieties , Such as A × 3 and 01 and so on. Seeding, should try to avoid the hot season. Generally arranged in mid-October to the following year in late February. 2. Preparation of raw materials and production of sawdust species is best to use fewer conifers, bitter