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为了广开肥源,大力发展腐植酸类肥料,促进农业大上快上,我所与下关市先锋公社农机厂协作,经过一年多的研制和使用,制成了77-2型腐肥机。一九七七年一月,经云南省省级鉴定定型。77-2型腐肥机结构简单紧凑,体积小,重量轻,耗电量小及生产率能适合公社及大队办腐肥厂的需要,能生产腐植酸铵、腐植酸磷、腐植酸铵磷和腐植酸钙等多种腐植酸类肥料,亦可用在制造生长刺激剂(腐植酸钠)的第一阶段使用。
In order to widen the source of fertilizers, vigorously develop humic acid type of fertilizer, to promote agriculture on the fast, I and Xiaguan City Pioneer commune agricultural machinery factory collaboration, after more than a year of research and use, made of 77-2 type of rotten fertilizer machine. January 1977, the Yunnan provincial appraisal stereotypes. 77-2 type of fertilizer machine structure is simple and compact, small size, light weight, low power consumption and productivity can be suitable for communes and brigade to do the needs of the fertilizer plant, can produce humic acid ammonium, humic acid phosphorus, ammonium humulinate and phosphorus Humic acid calcium and other humic acid fertilizers, can also be used in the manufacture of growth stimulants (sodium humate) in the first phase.