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试验于1959—1980年在轻砂壤土和重壤土两种土壤条件下进行。供试品种有。块茎于播种之前,在温度14—18℃的条件下,春化处理30天。收获时共分三期进行:第一期在始花后10天,第二期在始花后20—25天,最末期是早熟品种在植株完全衰亡时、中晚熟品种在通常收获期进行。各期收获的薯块材料,用微量分析法分析可溶性蛋白质和采用法测定淀粉含量。
The experiment was carried out in 1959-1980 under two soil conditions, light sandy loam and heavy loam. Test varieties have. The tubers were vernalized for 30 days at a temperature of 14-18 ° C prior to sowing. Harvest time is divided into three phases: the first phase after 10 days after the first flowering, the second phase after 20-25 days after the initial flowering, the most advanced is the early maturing varieties in the plant completely decay, the late maturing varieties in the normal harvest period. The potato material harvested at each stage was analyzed for soluble protein by microanalysis and starch content was determined by the method.