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马铃薯是粮、菜兼用的经济作物，本地种植的大都为菜用马铃薯。本试验采用淀粉含量较高适宜加工用的马铃薯品种“紫花白”，进行不同施肥试验。结果表明：增施钾肥有显著的增产效果，大、小薯块所占的比例与产量也有相关性。基肥中增加钾肥比单施复合肥增产，且差异达显著水平
Potato is a cash crop and a cash crop, and most of the locally-grown potatoes are vegetables. In this experiment, the higher starch content suitable for processing potato varieties “purple white”, different fertilization experiments. The results showed that there was a significant yield increase effect of increasing K fertilizer, and the proportion of large and small tuberous tubers also had a correlation with the yield. The increase of K fertilizer in basal fertilizer was higher than that of compound fertilizer alone, and the difference reached a significant level