Organic matter extracted with 0.01 M CaCl2 or with 0.01 M NaHCO3 as indices of N mineralisation and microbial biomass

Biology and Fertility of Soils

Volumn 34, Issue 6, 2001, Pages 433-440

  Nunan, N ^a,b,c   Morgan, M A ^a   Brennan, D ^b   Herlihy, M ^b  

^a UNIVERSITY COLLEGE DUBLIN   (Ireland)

^b TEAGASC   (Ireland)

^c SCOTTISH CROP RESEARCH INSTITUTE   (United Kingdom)

Author keywords

Calcium chloride extractable organic nitrogen; Microbial biomass; Nitrogen mineralisation; Sodium bicarbonate extractable organic nitrogen

Indexed keywords

MICROBIAL ACTIVITY; MINERALIZATION; NITROGEN; SOIL ORGANIC MATTER;

HORDEUM VULGARE SUBSP. VULGARE;

EID: 0035662018     PISSN: 01782762     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00374-001-0427-3     Document Type: Article

References (31)

1. 2-extractable upon soil drying
2. 2 extraction, for nitrogen mineralisation and nitrogen uptake of rape
3. 2 extraction
4. Nitrogen fractions in sandy soils in relation to plant nitrogen uptake and organic matter incorporation
5. Prediction of mineralizable nitrogen in soils on the basis of an analysis of extractable organic N
6. 2 soil extracts
7. 15N and native soil N as influenced by substrate addition and soil treatments
8. Optical properties of nucleic acids and their components
9. 15N-labelled plant material
10. A rapid and sensitive method for the quantification of microgram quantities of protein using the principle of protein-dye binding
11. Mechanism of dye response and interference in the Bradford assay
12. A rapid method for estimating the nitrogen-supply capacity of a soil
13. Relationships among anaerobically mineralized nitrogen, chemical indexes, and nitrogen availability to corn
14. Correlation of several soil N indices for wheat
15. Comparaison de différentes méthodes d'analyse de l'azote du sol en relation avec sa disponibilité pour les plantes
16. A comparison of different indices for nitrogen mineralization
17. Field evaluation of several chemical indexes of soil nitrogen availability
18. Sugar yield, nitrogen uptake by sugar beet and optimal nitrogen fertilization in relation to nitrogen soil analyses and several additional factors
19. Comparison and evaluation of laboratory methods of obtaining an index of soil nitrogen availability
20. org)
21. Extraction of microbial biomass components from rhizosphere soils
22. Chemical characterization of two extracts used in the determination of available soil nitrogen
23. Changes in amino acids, enzyme activities, and biomass during soil microbial growth
24. Ultraviolet absorbance (280 nm) of compounds released from soil during chloroform fumigation as an estimate of the microbial biomass
25. Temporal changes in nitrogen mineralisation, microbial biomass, respiration and protease activity in a clay loam soil under ambient temperature
26. Changes in hot water soil extracts brought about by nitrogen immobilization and mineralization processes during incubation of amended soils
27. Quantitative relationships between growth media constituents and cellular yields and composition
28. An extraction method for measuring soil microbial biomass C
29. An examination of the Degtfareff method for determining soil organic matter and a proposed modification of the chromic acid titration method