Abstract
FORMATION of soil-fertilizer reaction products and subsequent uptake of nutrient by plants has been the object of considerable study. In these investigations the influence of the fertilizers and/or their reaction products on soil micro-organisms has usually been neglected. The availability of fertilizer phosphorus reaction products such as dicalcium phosphate might be increased by the activity of bacteria which are capable of dissolving insoluble calcium phosphates1. Grerretsen2 showed that the solvent action of micro-organisms in the rhizosphere on insoluble phosphates increased plant uptake of phosphorus.
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References
Louw, H. A., and Webley, D. M., J. App. Bacteriol., 22, 227 (1959).
Gerretsen, F. C., Plant and Soil, 1, 51 (1948).
Langguth, R. P., Payne, J. A., Arvan, P. G., Sisler, C. C., and Brautigam, G. F., J. Agric. Food Chem., 3, 656 (1955).
Lindsay, W. L., and Stephenson, H. F., Soil Sci. Soc. Amer. Proc., 23, 12 (1959).
Duncan, David B., Biometrics, 11, 1 (1955).
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CHANDRA, P., BEATON, J. & READ, D. Effect of Fertilizers on the Bacterial Population of a Saskatchewan Soil. Nature 193, 1308–1309 (1962). https://doi.org/10.1038/1931308a0
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DOI: https://doi.org/10.1038/1931308a0
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