[Normative values of the mobile phosphorus and potassium content in the soil in Latvia and other European countries]
1998
Reinfelde, L. | Timbare, R. (State Scientific Production Enterprise "Raziba", Riga (Latvia))
The article deals with the comparison of analytical methods in order to consider levels of soil fertility in different countries where diverse methods of the determination of phosphorus and potassium are used. Optimal values of the mobile phosphorus and potassium content in mineral soils are presented.
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