Ninhydrin-reactive n released by the fumigation-extraction method as a measure of microbial biomass under field conditions

1991 ◽  
Vol 23 (2) ◽  
pp. 139-143 ◽  
Author(s):  
M.R. Carter
Keyword(s):  
Microbial Biomass ◽  
Extraction Method ◽  
Field Conditions ◽  
Reactive N ◽  
Fumigation Extraction

SHORT COMMUNICATION: Estimation of microbial biomass by ninhydrin-reactive N using liquid chloroform

1996 ◽  
Vol 76 (1) ◽  
pp. 37-40 ◽  
Author(s):  
P. M. Mele ◽  
M. R. Carter
Keyword(s):  
Microbial Biomass ◽  
Extraction Method ◽  
Soil Microbial Biomass ◽  
Short Communication ◽  
Extraction Methods ◽  
Promising Technique ◽  
Soil Microbial ◽  
Reactive N ◽  
The Relationship ◽  
Fumigation Extraction

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 method

Fumigation-extraction method to estimate microbial biomass in heated soils

1992 ◽  
Vol 24 (3) ◽  
pp. 259-264 ◽  
Author(s):  
M. Diaz-Raviña ◽  
A. Prieto ◽  
M.J. Acea ◽  
T. Carballas
Keyword(s):  
Microbial Biomass ◽  
Extraction Method ◽  
Fumigation Extraction
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