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中共北京市委会为了解决当前郊区農業生產大跃進中深耕、密植提高產量的問題,于8月6日邀請有关單位代表100余人,在南郊農場集中表演了机牵和馬拉深耕、密植農机具20余种。除馬拉部份外,國营農場需要解决的机牽深耕、密植農具,經試驗的結果,当場評比,以南郊農場改裝的浓蘭P.c13×30三鏵犁,和第一机械工業部農業机械研究所改裝的苏联-48行、7.s公分窄行播种机較
In order to solve the problem of deep plowing and dense planting to increase output in the current agricultural leap forward in the suburbs, the CPC Beijing Municipal Party Committee invited more than 100 representatives of relevant units on August 6 to perform concentrated performances on the farms of the southern suburbs and intensive cultivation of farms with Mara More than 20 species. In addition to the Mara part, the state-owned farms need to solve the machine-deep plowing, dense planting tools, the test results, on the spot appraisal, to the southern suburbs of the farm converted Connaught P.c13 × 30 San Hua plow, and First Machinery Industry Ministry of Agricultural Machinery Institute modified the Soviet -48 line, 7.s cm narrow row seeder more