The Limits of Base Saturation in Making Nutrient Recommendations

Every few years it seems base saturation rises as a winter topic as a means of making fertilizer recommendations. While base saturation has been used to determine whether a soil should be limed or not, it’s not a soil testing index, nor should be accepted broadly as an indicator for nutrient fertility. Developed for low CEC soils and highly weathered low pH soils, but not meant for many areas in Canada including Western Canada
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