江淮地区稻-麦周年产量差及其与资源利用关系
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杜祥备 1( ), 习敏 2, 孔令聪 1,*( ), 吴文革 2,*( ), 陈金华 3, 许有尊 2, 周永进 2
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Yield gaps of rice-wheat double cropping and its relationship with resource utilization in Yangtze-Huaihe Rivers region
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DU Xiang-Bei 1( ), XI Min 2, KONG Ling-Cong 1,*( ), WU Wen-Ge 2,*( ), CHEN Jin-Hua 3, XU You-Zun 2, ZHOU Yong-Jin 2
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图3. 江淮地区不同稻-麦产量群体生育期气候资源截获 A、C、E为水稻, B、D、F为小麦。不同小写字母表示在0.05水平差异显著。
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Fig. 3. Accumulated radiation, growth degree-days and precipitation in rice and wheat seasons under different yield levels in Yangtze-Huaihe rivers region A, C, E are responsible for rice; B, D, F are responsible for wheat. Values marked with different lowercase letters indicate significant differences at P < 0.05.
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