甘肃省春玉米和制种玉米种植精细化气候区划比较研究

杨兴国, 马玉龙, 方锋, 贾建英, 张铁军, 王丹, 杨华, 车可, 张雅馨

Comparative study of refined agroclimatic suitability zoning of spring maize and hybrid seed maize in Gansu Province

YANG Xingguo, MA Yulong, FANG Feng, JIA Jianying, ZHANG Tiejun, WANG Dan, YANG Hua, CHE Ke, ZHANG Yaxin

表3 甘肃省制种玉米气象灾害风险区划等级

Tab.3 Risk zoning grades for meteorological disasters affecting hybrid seed maize in Gansu Province

灾害 风险等级 极高风险 高风险 中风险 低风险 7—8月高温 M>0.8 0.2<M≤0.8 0<M≤0.2 M=0 7—8月连阴雨 M>1.8 1.6<M≤1.8 1.2<M≤1.6 M≤1.2 早霜冻 M>1.5 1.0<M≤1.5 0.6<M≤1.0 M≤0.6 晚霜冻 M>1.2 0.7<M≤1.2 0.3<M≤0.7 M≤0.3