SHORT COMMUNICATION: Estimation of microbial biomass by ninhydrin-reactive N using liquid chloroform
- 1 February 1996
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Soil Science
- Vol. 76 (1) , 37-40
- https://doi.org/10.4141/cjss96-006
Abstract
Ninhydrin-reactive N (NRN), which is a reliable and sensitive indicator of soil microbial biomass, was measured in extracts of three Australian duplex soils, under different tillage systems, fumigated using either vaporized or liquid CHCl3. Although the relationship between the two fumigation-extraction methods was influenced by soil type, the use of liquid CHCl3 appears to be a promising technique to allow greater ease and speed for releasing NRN in microbial biomass analysis. Key words: Duplex soils, tillage, microbial biomass, fumigation-extraction methodKeywords
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