๐”– Bobbio Scriptorium
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1. The chemistry and biology of flooded soils in relation to the nitrogen economy in rice fields

โœ Scribed by Bouldin, DR

Publisher
Springer-Verlag
Year
1986
Tongue
English
Weight
714 KB
Volume
9
Category
Article
ISSN
1573-0867

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Absorbance was measured on a Unicam SP500 spectrophotometer. Chromatograms were repeated several times : the results are as follows : Extract Method 1 1 2 2 PC TLC PC TLC No. of chromatograms 5 5 4 4 Mean absorbance at 500mp 0.621 0.601 0.986 0,985 R.m.s. deviation 0.009 0.010 0.030 0.012 Coefficien