drisCOCA²⁴³⁶⁶³ 基本例句 Digital Read-in System 数字读入系统 The effect of matching of different fertilizers on the yield and the N, P, Kcontents in wheat leaves were studied. Particularly, the status of nutrient balance in wheat was studied using DRIS method. 研究了不同肥料配比对小麦的增产效果和小麦叶片氮磷钾含量的影响，运用统合诊断 DRIS法重点对不同肥料配比下小麦体内营养平衡状况进行了探讨。 cnki