马铃薯品种改良后需要有配套的专用肥配合才能发挥其增产作用。试验证明 ,育苗专用土壤调制剂在投入较低的情况下 ,增产 30 .1 9% ,增加产值 60 .1 0 % ,所有处理与对照相比均达到了极显著水平 Potato varieties need to be improved after matching with special fertilizer to play its role in increasing production. Experiments show that the seedling-specific soil conditioning agent in the case of lower input, an increase of 30.119%, an increase of 60.1% production value, all compared with the control reached an extremely significant level