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
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Characteristics of dry and wet changes in sunflower growing areas in northern China and their causes from 1961 to 2020
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图6. 1961—2020年中国北方向日葵种植区生长季降水量(a)和作物蒸散量(b)气候倾向率空间分布[单位:mm·(10 a)-1] |
Fig.6. The spatial distribution of climatic tendency rate of precipitation(a)and evapotranspiration(b)during the growing period of sunflower in planting areas in northern China from 1961 to 2020 (Unit: mm·(10 a)-1) |
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