Mehlich 3 soil test extractant: A modification of Mehlich 2 extractant

@inproceedings{Mehlich1984Mehlich3S,
  title={Mehlich 3 soil test extractant: A modification of Mehlich 2 extractant},
  author={Adolf Mehlich},
  year={1984}
}
Abstract The objectives of this study were to modify the Mehlich 2 (M2) extractant to include Cu among the extractable nutrients, retain or enhance the wide range of soils for which it is suitable and minimize it's corrosive properties. The substitution of nitrate for chloride anions and the addition of EDTA accomplished those objectives. The new extracting solution, already designated Mehlich 3 (M3) is composed of 0.2N CH3COOH‐0.25N NH4N03‐0.015NNH4F‐0.013NHN03‐0.001M EDTA. Extractions from… CONTINUE READING

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