Citation

Simpson P. G. , McLaughlin M. J. , Weatherley A. J. , Sale P. W. G. , Hoy V. Lancaster P. (1997) Assessment of soil phosphorus tests for situations in Australia where reactive phosphate rock and water-soluble phosphorus fertilisers are used. Australian Journal of Experimental Agriculture 37, 1027-1035.

https://doi.org/10.1071/EA96118