EFFECTS OF AMMONIUM AND NITRATE ON MINERALIZATION OF NITROGEN FROM LEGUMINOUS RESIDUES

被引：26

作者：

AZAM, F ^{[1
]}

MULVANEY, RL ^{[1
]}

SIMMONS, FW ^{[1
]}

机构：

[1] UNIV ILLINOIS, DEPT AGRON, URBANA, IL 61801 USA

来源：

BIOLOGY AND FERTILITY OF SOILS | 1995年 / 20卷 / 01期

关键词：

NITRIFICATION; N IMMOBILIZATION; N MINERALIZATION; N INTERACTION; N-SERVE; NITRAPYRIN; SOIL N;

D O I：

10.1007/BF00307840

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

A laboratory incubation experiment was conducted to compare the effects of NH4+ and NO3- on mineralization of N from N-15-labelled vetch (Vicia villosa Rotn) in an Illinois Mollisol, and to determine the effect of a nitrification inhibitor (nitrapyrin) on mineralization of vetch N when used with NH4+. The addition of either NH4+ or NO3- (100 and 200 mg N kg(-1) soil) significantly increased mineralization of vetch N during incubation for 40 days. The effect was greater with NH4+ than with NO3-, and a further increase occurred in the presence of nitrapyrin (10 mg kg(-1) soil). The addition of NO; retarded the nitrification of NH4+-N derived from vetch.

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页码：49 / 52

页数：4

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