Bioassay of phosphorus deficiency in Queensland wheat soils by the Azotobacter plaque methodTools Thompson, J.P. (1988) Bioassay of phosphorus deficiency in Queensland wheat soils by the Azotobacter plaque method. Queensland Journal of Agricultural and Animal Sciences, 45 (1). pp. 35-44.
AbstractThe Azotobacter plaque method was tested as a bioassay of phosphorus deficiency in Queensland wheat soils. The method was modified by using seven concentrations of supplied phosphate, inoculating replicate plaques with a pure culture of Azotobacter chroococcum.
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