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Figure 3


Fig. 3. Inorganic phosphorus fractions of tested materials. The total mass (mg) of phosphorus per mass (kg) of material are provided above each column. The NaOH-Pi represents the inorganic P in the NaOH extracted solution. The NaOH-Po represents the amount of organic phosphorus in the NaOH extract. The inorganic phosphorus was calculated as the difference between total P and soluble reactive P in the NaOH solution.





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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education
Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome