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
表1 聚天门冬氨酸螯合氮肥(PASP-N)处理和常规氮肥(CN)处理的施氮量
Table 1 Nitrogen fertilizer application amount in CN and PAPS treatment
处理
Treatment
基施氮肥用量
Basic application amount of nitrogen (kg hm-2)
不施肥 No fertilizer CK 0
常规氮肥
Conventional N fertilizer
CN1 112.5
CN2 225.0
CN3 337.5
PASP螯合氮肥
N fertilizer coupled with PASP
PASP-N1 75.0
PASP-N2 150.0
PASP-N3 225.0