This standard specifies a method for the determination of slow-available potassium in forest soil using 1 mol/L nitric acid boiling extraction-flame photometry. This standard is applicable to the determination of slow-available potassium in forest soil.
LY/T 1235-1999 history
2016LY/T 1234-2015 Determination of Potassium in Forest Soil
1999LY/T 1235-1999 Determination of slow release potassium in forest soil
LY/T 1235-1999 Determination of slow release potassium in forest soil was changed to LY/T 1234-2015 Determination of Potassium in Forest Soil.