秸秆还田与氮肥运筹对寒地水稻光合特性和产量的影响

胡聪聪, 李红宇, 孙显龙, 王童, 赵海成, 范名宇, 张巩亮

Effects of Straw Returning and Nitrogen Fertilizer Management on Photosynthetic Characteristics and Yield of Rice in Cold Region

Hu Congcong, Li Hongyu, Sun Xianlong, Wang Tong, Zhao Haicheng, Fan Mingyu, Zhang Gongliang

表6 灌浆期剑叶光合特征参数的比较

Table 6 Comparison of characteristic parameters of photosynthesis of flag leaves during the filling stage

处理 Treatment Ci (μmol/mol) Gs [mmol/(m2?s)] Pn [μmol/(m2?s)] Tr [mmol/(m2?s)] S1 349.58a 608.08a 9.83a 6.34a S2 347.75a 543.00a 8.63a 5.98a N1 356.83a 663.83a 9.83a 6.45a N2 347.17a 610.00a 9.12a 6.37a N3 346.33a 529.67a 9.10a 5.92a N4 344.33a 498.67a 8.85a 5.90a FS 0.09 0.95 4.43 1.21 FN 0.80 1.28 0.55 0.78 FS×N 0.81 0.62 0.71 0.25