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平昌县蚕桑局与省蚕桑研究所助理研究员邓华山同志协作,在该县驷马乡试行推广了一室多用的立门石窑。1984年全乡共建起立门石窖27个。春季育秧谷400多公斤,达到了苗齐、苗壮、健苗率高;春、夏、秋三季,养蚕148.5张,其中,共育小蚕187张。全年产茧5148公斤,单张产茧达31公斤,收入茧款16679元,单张产值113元。单产比往年提高10多公斤,单产值提高40多元;冬季,窖贮红苕24000公斤,健苕率达到92％,最高的达97.5％,其中黑斑病、软腐病的发病率在6％以下。由此可见,立门石窖综合利用好,确实是一种值得推广的生产设施。修建要点如下。
Pingchang County Sericulture Bureau sericulture and provincial assistant researcher Deng Huashan comrades collaborate in the county Qima Township pilot promotion of a multi-purpose vertical chamber stone kilns. In 1984 the township built a total of 27 stone cellar. More than 400 kilograms of spring nursery seedlings, reaching Miao Qi, Miao Zhuang, Jianmiao rate; spring, summer and autumn quarters, sericulture 148.5, of which 187 small silkworm. The annual output of 5148 kg of cocoon, cocoon up to 31 kg leaflets, cocoon income of 16,679 yuan, 113 yuan leaflets. In the winter, the cellar stored 24,000 kilograms of red crabs, with a healthy rate of 92% and the highest rate of 97.5%. The incidence of black spot disease and soft rot disease was below 6% . This shows that the comprehensive utilization of legislation door pits, is indeed a worthy promotion of production facilities. The main points of construction are as follows.