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1试验目的进一步掌握在等价投入条件下(亩投入化肥40元),不同化肥品种及搭配对马铃薯产量构成的影响,以求最佳组合,为指导大田生产提供科学依据。
1 Test Objective To further grasp the equivalent input conditions (40 yuan per mu into fertilizers), different fertilizer varieties and collocation of the impact on the composition of potatoes in order to seek the best combination for the guidance of field production to provide a scientific basis.