遵照伟大领袖毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的教导,我们在努力提高“五四○六”一级菌种质量的基础上,经过反复实践,大胆革新了过去生产“五四○六”母剂所常用的原料,用麸皮代替饼粉,用既能蓄水又有疏松作用的煤渣作为部分填充料。这种培养基的配方为:3份(麦夫)皮、3份煤渣、4份肥土(简称3、3、4菌粉母剂)。经培养成的“3、3、4”菌粉母剂,孢子层厚,颗粒松 Following the guidance of Chairman Mao, the great leader, on the principle of “human beings always summarize experiences, discoveries, inventions, innovations and advances”, we are making efforts to improve the quality of the “May Fourth” primary species After repeated practice, bold reform of the past production of “504” mother of the common ingredients, with bran instead of cake, with both water and loose cinder as part of the filler. The formula of the medium is as follows: 3 portions of bark, 3 portions of cinder, 4 portions of soil (referred to as 3,3, 4 strains of powder mother agent). After training into the “3,3,4” powder mother powder, spore layer thickness, particles loose