Levels of pH (reaction) classes including descriptive name, and range from low to high pH

data(reactionclass)

Format

An object of class data.frame with 11 rows and 3 columns.

References

Soil Science Division Staff. (2017) Soil Survey Manual. C. Ditzler, K. Scheffe, and H.C. Monger (eds.). USDA Handbook 18. Government Printing Office, Washington, D.C.