The Scientific World Journal / 2013 / Article / Fig 1

Research Article

Optimizing Available Phosphorus in Calcareous Soils Fertilized with Diammonium Phosphate and Phosphoric Acid Using Freundlich Adsorption Isotherm

Figure 1

Freundlich isotherms for P adsorption: (a), (b), and (c) represent native, 10%, and 20% , respectively.

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