15N示踪的水稻氮肥利用率细分
林晶晶1, 李刚华1, 薛利红2,*, 张巫军1, 许慧阁1, 王绍华1, 杨林章2, 丁艳锋1,*

Subdivision of Nitrogen Use Efficiency of Rice Based on15N Tracer
LIN Jing-Jing1, LI Gang-Hua1, XUE Li-Hong2,*, ZHANG Wu-Jun1, XU Hui-Ge1, WANG Shao-Hua1, YANG Lin-Zhang2, DING Yan-Feng1,*
图1 水稻不同生育期对基肥 15 N的吸收积累量2012-2013 BT: 基肥期; D4: 倒四叶期; D2: 倒二叶期; HS: 齐穗期; MS: 成熟期。N1R237.5: N1R2处理, 其中基肥施氮量为37.5 kg hm -2 ; N1R160: N1R1处理, 其中基肥施氮量为60 kg hm -2 ; N2R275: N2R2处理, 其中基肥施氮量为75 kg hm -2 ; N2R1120: N2R1处理, 其中基肥施氮量为120 kg hm -2 。缩写同表1。
Fig. 1 Total 15 N accumulation in aboveground parts on basal fertilizer tracer at different stages 2012-2013 BT: before tillering fertilization; D 4 : stage of the 4th leaf from the top; D 2 : stage of the 2nd leaf from the top; HS: heading stage; MS: maturity stage. N1R237.5: N1R2, basal nitrogen application 37.5 kg hm -2 ; N1R160: N1R1, basal nitrogen application 60 kg hm -2 ; N2R275: N2R2, basal nitrogen application 75 kg hm -2 ; N2R1120: N2R1, basal nitrogen application 120 kg hm -2 . Abbreviations are the same as given in Table 1.