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编辑同志:去年小麦选种时,我场根据农业科学通讯一九五二年第五期松龄介绍的穗选用具小指套,制作了十个,在本场及附近东南
Editor’s Comrades: When wheat was planted last year, according to the index finger selection kit set in Songling, which was the fifth issue of Agricultural Science Newsletter in 1952, 10 were produced in this field and in the nearby southeast