聚天门冬氨酸螯合氮肥减量基施对东北春玉米的增效机制

唐会会,许艳丽,王庆燕,马正波,李光彦,董会,董志强

Increasing spring maize yield by basic application of PASP chelating nitrogen fertilizer in northeast China

Hui-Hui TANG,Yan-Li XU,Qing-Yan WANG,Zheng-Bo MA,Guang-Yan LI,Hui DONG,Zhi-Qiang DONG

图2 CN和PASP-N处理施氮量与玉米产量曲线拟合图 CK: 对照; CN: 常规肥; PASP-N: PASP螯合氮肥。

Fig. 2 Fitting relationship between nitrogen application and maize yield for CN and PASP-N CK: control; CN: conventional N fertilizer; PASP-N: N fertilizer coupled with PASP.