The Importance of Soil pH

The Importance of Soil pH

Nutrient Efficiency versus Soil pH

 

Element

pH 4.5

pH 5.0

pH 5.5

pH 6.0

pH 6.5

 

Nitrogen (N)

 

30%

 

43%

 

77%

 

89%

 

100%

 

Phosphorus (P)

 

23%

 

31%

 

48%

 

52%

 

100%

 

Potassium (K)

 

33%

 

52%

 

77%

 

100%

 

100%

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