References
- Mehlich , A. 1953 . Determination of P, Ca, Mg, K, Na, and NH4 , North Carolina Soil Test Division . Mimeo.
- Mehlich , A. 1978 . New extractant for soil test evaluation of phosphorus, potassium, magnesium, calcium, sodium, manganese, and zinc . Comm. Soil Sci. Plant Anal. , 9 ( 6 ) : 477 – 492 .
- Mehlich , A. Comprehensive Soil Extractions . Proceeding Soil and Plant Analysis Seminar . Anaheim , CA . Council on Soil Testing and Plant Analysis .