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AN EXAMINATION OF THE BIOLOGICAL REDUCTION METHOD FOR ESTIMATING ACTIVE IRON IN SOILS

✍ Scribed by S. M. BROMFIELD; E. G. WILLIAMS


Book ID
108715520
Publisher
John Wiley and Sons
Year
1963
Tongue
English
Weight
752 KB
Volume
14
Category
Article
ISSN
1351-0754

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## Abstract Some Queensland soils fail to release the whole of their phosphorus during extraction for 4 h. with boiling hydrochloric acid unless previously ignited. Loss of phosphate from extracts of non‐ignited soils is apparently due to titanium oxides which may either adsorb dissolved phosphate