提高DRIS诊断准确性的几种改进方法

本文综述了提高ＤＲＩＳ诊断准确性的几种改进方法，即计算干物质指数的ＤＲＩＳ、调整高产亚群体的样本数，修改养分比的函数方程表达式和修改养分比的表现形式。并简略介绍了以籽粒为诊断对象的ｍ－ＤＲＩＳ养分诊断标准及其应用。

Several Modified Methods for Improved the DRIS Diagnostic Accuracy

It was reviewed that several modified methods for improved the DRIS diagnostic accuracy in this paper. The modified methods included calculation dry matter index to the DRIS indices(m-DRIS),adjustment high yield subpopulation data bases,modification the forms of nutrient ratio function expression and of nutrient ratio expression and was briefly introduced m-DRIS nutrient diagnosis norms which has examined seed as a diagnostic target and its uasge.