Changes

|-

|-

![[Phosphorus]]

![[Phosphorus]]

|12 - 40 ppm||As measured by the 'Bray' method. Alternatives include 'Mehlich I or III', or 'Olsen'. Results from these are not directly translatable.<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>

|12 - 40 ppm||As measured by the 'Olsen' method. Alternatives include 'Mehlich I or III', or 'Bray'. Results from these are not directly translatable.<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>

|-

|-

![[Cationic exchange capacity(CEC)]]

![[Cationic exchange capacity(CEC)]]