Research Article

Climate Change Impacts on Winter Wheat Yield in Northern China

Figure 3

Model-predicted WYPA with observed climatic data and agricultural inputs (black squares) detrended climatic data and observed agricultural inputs (red dots) and observed climatic data and fixed agricultural inputs (green triangles). Yellow triangles (lines) and blue diamonds (lines) represent the (trends of) GSAT and GSP for winter wheat. represents the trends are significant at 5% level. (a) Jing-jin-ji. (b) Shanxi. (c) Shaanxi. (d) Shandong. (e) Henan.
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