江淮地区稻-麦周年产量差及其与资源利用关系

杜祥备, 习敏, 孔令聪, 吴文革, 陈金华, 许有尊, 周永进

Yield gaps of rice-wheat double cropping and its relationship with resource utilization in Yangtze-Huaihe Rivers region

DU Xiang-Bei, XI Min, KONG Ling-Cong, WU Wen-Ge, CHEN Jin-Hua, XU You-Zun, ZHOU Yong-Jin

表3 江淮地区不同稻-麦产量群体生育期

Table 3 Growth period of rice, wheat and annual year under different yield levels in Yangtze-Huaihe rivers region

项目Item 水稻Rice 小麦Wheat 高产纪录Highest recorded yield 150.3 a 212.6 a 试验水平Experimental yield 148.2 a 209.5 ab 农户水平Farmer yield 142.3 b 206.2 b