河北省中部平原玉米长势遥感综合监测

王蕾, 王鹏新, 李俐, 荀兰, 孔庆玲

Integrated maize growth monitoring based on gray correlation analysis and remote sense data in the central plain of Hebei Province

Lei WANG, Pengxin WANG, Li LI, Lan XUN, Qingling KONG

表3 长势综合监测指数的量化分析与等级划分标准

Table 3 Quantitative analysis on integrated growth monitoring index and its classification criteria

长势综合监测指数（G） 分级标准 均值 标准差 置信下限 置信上限 长势等级 差 0.427 0.044 - 0.440 G<0.418 偏差 0.432 0.043 0.418 0.447 0.418≤G<0.435 持平稍差 0.450 0.038 0.435 0.466 0.435≤G<0.453 持平稍好 0.465 0.032 0.453 0.476 0.453≤G<0.480 偏好 0.491 0.041 0.480 0.501 0.480≤G<0.503 好 0.515 0.037 0.503 - G≥0.503