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![[Phosphorus]]
![[Phosphorus]]
|10 - 30 ppm||'Bray' is most common in Ontario. <br>Alternatives include 'Mehlich I or III', or 'Olsen'. <ref>Sawyer JE, Mallarino AP. Differentiating and Understanding the Mehlich 3, Bray, and Olsen Soil Phosphorus Tests 1. http://www.agronext.iastate.edu/soilfertility/info/mnconf11_22_99.pdf. Accessed August 1, 2017.</ref>
|10 - 40 ppm||'Bray' is most common in Ontario. <br>Alternatives include 'Mehlich I or III', or 'Olsen'. <ref>Sawyer JE, Mallarino AP. Differentiating and Understanding the Mehlich 3, Bray, and Olsen Soil Phosphorus Tests 1. http://www.agronext.iastate.edu/soilfertility/info/mnconf11_22_99.pdf. Accessed August 1, 2017.</ref>
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![[Cationic exchange capacity(CEC)]]
![[Cationic exchange capacity(CEC)]]