Effects of ammonium and nitrate on mineralization of nitrogen from leguminous residues

F. Azam; R. L. Mulvaney; F. W. Simmons

doi:10.1007/BF00307840

Effects of ammonium and nitrate on mineralization of nitrogen from leguminous residues

F. Azam, R. L. Mulvaney, F. W. Simmons

Natural Resources and Environmental Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

A laboratory incubation experiment was conducted to compare the effects of NH_inf4^sup+and NO_inf3^sup-on mineralization of N from ¹⁵N-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 NH_inf4^sup+. The addition of either NH_inf4^sup+or NO_inf3^sup-(100 and 200 mg N kg^-1 soil) significantly increased mineralization of vetch N during incubation for 40 days. The effect was greater with NH_inf4^sup+than with NO_inf3^sup-, and a further increase occurred in the presence of nitrapyrin (10 mg kg^-1 soil). The addition of NO_inf3^sup-retarded the nitrification of NH_inf4^sup+-N derived from vetch.

Original language	English (US)
Pages (from-to)	49-52
Number of pages	4
Journal	Biology and Fertility of Soils
Volume	20
Issue number	1
DOIs	https://doi.org/10.1007/BF00307840
State	Published - Apr 1995

Keywords

N immobilization
N interaction
N mineralization
N-Serve
Nitrapyrin
Nitrification
Soil N

ASJC Scopus subject areas

Microbiology
Agronomy and Crop Science
Soil Science

Online availability

10.1007/BF00307840

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title = "Effects of ammonium and nitrate on mineralization of nitrogen from leguminous residues",

abstract = "A laboratory incubation experiment was conducted to compare the effects of NHinf4sup+and NOinf3sup-on mineralization of N from 15N-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 NHinf4sup+. The addition of either NHinf4sup+or NOinf3sup-(100 and 200 mg N kg-1 soil) significantly increased mineralization of vetch N during incubation for 40 days. The effect was greater with NHinf4sup+than with NOinf3sup-, and a further increase occurred in the presence of nitrapyrin (10 mg kg-1 soil). The addition of NOinf3sup-retarded the nitrification of NHinf4sup+-N derived from vetch.",

keywords = "N immobilization, N interaction, N mineralization, N-Serve, Nitrapyrin, Nitrification, Soil N",

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T1 - Effects of ammonium and nitrate on mineralization of nitrogen from leguminous residues

AU - Azam, F.

AU - Mulvaney, R. L.

AU - Simmons, F. W.

PY - 1995/4

Y1 - 1995/4

N2 - A laboratory incubation experiment was conducted to compare the effects of NHinf4sup+and NOinf3sup-on mineralization of N from 15N-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 NHinf4sup+. The addition of either NHinf4sup+or NOinf3sup-(100 and 200 mg N kg-1 soil) significantly increased mineralization of vetch N during incubation for 40 days. The effect was greater with NHinf4sup+than with NOinf3sup-, and a further increase occurred in the presence of nitrapyrin (10 mg kg-1 soil). The addition of NOinf3sup-retarded the nitrification of NHinf4sup+-N derived from vetch.

AB - A laboratory incubation experiment was conducted to compare the effects of NHinf4sup+and NOinf3sup-on mineralization of N from 15N-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 NHinf4sup+. The addition of either NHinf4sup+or NOinf3sup-(100 and 200 mg N kg-1 soil) significantly increased mineralization of vetch N during incubation for 40 days. The effect was greater with NHinf4sup+than with NOinf3sup-, and a further increase occurred in the presence of nitrapyrin (10 mg kg-1 soil). The addition of NOinf3sup-retarded the nitrification of NHinf4sup+-N derived from vetch.

KW - N immobilization

KW - N interaction

KW - N mineralization

KW - N-Serve

KW - Nitrapyrin

KW - Nitrification

KW - Soil N

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ER -

Effects of ammonium and nitrate on mineralization of nitrogen from leguminous residues

Abstract

Keywords

ASJC Scopus subject areas

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