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
图4 1961—1990年(a)、1991—2020年(b)甘肃省制种玉米精细化农业气候区划
Fig.4 Refined agroclimatic zoning of hybrid seed maize in Gansu Province during 1961-1990 (a) and 1991-2020 (b)