1961—2020年中国北方向日葵种植区干湿变化特征及其成因分析
|
Characteristics of dry and wet changes in sunflower growing areas in northern China and their causes from 1961 to 2020
|
图3. 1961—2020年中国北方向日葵种植区生长季K指数气候倾向率(单位:/10 a)分布 |
Fig.3. The distribution of climatic tendency rate of K index during sunflower growth period in planting areas in northern China from 1961 to 2020(Unit: /10 a) |
![]() |