不同氮肥增效剂对减少豫北麦田气态氮损失及其增产效果研究

贺云霞, 马建辉, 张黛静, 刘东华, 晁晓燕, 陈慧平, 李春喜

Study on the Effect of Different Nitrogen Fertilizer Synergists on Reducing Gaseous Nitrogen Loss and Increasing Yield in Wheat Field of Northern Henan

He Yunxia, Ma Jianhui, Zhang Daijing, Liu Donghua, Chao Xiaoyan, Chen Huiping, Li Chunxi

表1 不同处理施肥方案

Table 1 Different treatments of fertilization schemes kg/hm2

处理Treatment 肥料Fertilizer N P2O5 K2O NBPT DMPP CK 不施肥、不施增效剂 0 0 0 0 0 U1 减氮20%、不施增效剂 192 150 90 0 0 U2 正常施氮、不施增效剂 240 150 90 0 0 T1 减氮20%、纯氮量的1% NBPT 192 150 90 2.4 0 T2 减氮20%、纯氮量的1% DMPP 192 150 90 0 2.4 T3 减氮20%、1/2 NBPT+1/2 DMPP 192 150 90 1.2 1.2 T4 正常施氮、纯氮量的1% NBPT 240 150 90 2.4 0 T5 正常施氮、纯氮量的1% DMPP 240 150 90 0 2.4 T6 正常施氮、1/2 NBPT+1/2 DMPP 240 150 90 1.2 1.2