江苏省水稻减肥增产的潜力与机制分析
郭俊杰,柴以潇,李玲,高丽敏,谢凯柳,凌宁,郭世伟()
The Potential and Related Mechanisms of Increasing Rice Yield by Reducing Chemical Nitrogen Application in Jiangsu Province
GUO JunJie,CHAI YiXiao,LI Ling,GAO LiMin,XIE KaiLiu,LING Ning,GUO ShiWei()

图4. 化学氮肥减量对水稻氮素吸收量(a)和氮肥偏生产力(b)的影响

Fig. 4. Changes in total nitrogen uptake (a) and PFPN (b) of rice induced by the application of reducing chemical nitrogen rate