Effect of carbon dioxide on availability of manganese in soil producing manganese deficiency

ABSTRACT A SERIES of experiments, extending over several years, in which potato plants were grown both in pots and in the field, in soil producing manganese deficiency, from the recently

drained lake-bed at East Mailing Research Station, has led us to suspect the presence of some hitherto unexplained factor influencing manganese availability. The soil in question is an

alluvial deposit containing a large amount of calcium carbonate and organic matter and has a _p_H of 8·0–8·5. The soil contains ample manganese, as simple extractions in Morgan‘s solution

yield considerably more than 50 p.p.m. of manganese on a dry soil basis. This, however, is only a small fraction of the total, as is shown by extractions with strong acid. The amount of

manganese available to the plant is, on the other hand, very small, since plants containing less than 1 p.p.m. on a fresh weight basis and showing acute deficiency symptoms are of common

occurrence in certain areas of the lake-bed. Attempts to reproduce these conditions using the same soil in pot culture never succeeded in producing plants showing such marked symptoms or low

manganese contents, although the soil _p_H was maintained between 8·0 and 8·5 by irrigating with water saturated with calcium carbonate. Water extracts of soil taken either from pots or the

lake-bed itself showed negligible amounts of extractable manganese, although the plants grown in pot culture in the summer of 1948 showed no manganese deficiency, while those grown in 1947

Were much less deficient than those growing on the lake-bed. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution ACCESS

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CONTRASTING PRAIRIE SOILS Article Open access 02 November 2020 CONTINUOUS DECREASE IN SOIL ORGANIC MATTER DESPITE INCREASED PLANT PRODUCTIVITY IN AN 80-YEARS-OLD PHOSPHORUS-ADDITION

EXPERIMENT Article Open access 12 July 2023 REDUCED PHOSPHORUS AVAILABILITY IN PADDY SOILS UNDER ATMOSPHERIC CO2 ENRICHMENT Article 19 January 2023 AUTHOR INFORMATION AUTHORS AND

AFFILIATIONS * Research Institute of Plant Physiology, Imperial College of Science, London, S.W.7 B. D. BOLAS & G. B. PORTSMOUTH Authors * B. D. BOLAS View author publications You can

also search for this author inPubMed Google Scholar * G. B. PORTSMOUTH View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints

and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE BOLAS, B., PORTSMOUTH, G. Effect of Carbon Dioxide on Availability of Manganese in Soil Producing Manganese Deficiency. _Nature_ 162, 737

(1948). https://doi.org/10.1038/162737a0 Download citation * Issue Date: 06 November 1948 * DOI: https://doi.org/10.1038/162737a0 SHARE THIS ARTICLE Anyone you share the following link with

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