Fixed ammonium in upland soils of Northeast China

被引：0
|
作者：
Egashira, K [1 ]
Han, JL [1 ]
机构：
[1] Kyushu Univ, Fac Agr, Fukuoka 8128581, Japan
来源：
SOIL SCIENCE AND PLANT NUTRITION | 2000年 / 46卷 / 02期
关键词：
fixed ammonium; nitrogen; Northeast China;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The content of fixed ammonium was analyzed for 12 samples of upland soils, including Saline soils, Sols lessives, Meadow soils, Black-colored soils, and Dark-brown forest soils, collected from Jilin and Liaoning provinces, Northeast China, The content of fixed NH4+-N ranged from 0.11 to 0.27 g kg(-1) and no appreciable differences among the soil types were observed. Fixed NH4+-N accounted for 9 to 23% of total N in the Ap horizons.
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页码：525 / 528
页数：4
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