This standard specifies the method for determining nitrogen, phosphorus, potassium, sodium, calcium and magnesium in forest plants and forest litter using the wet ashing method. This standard is applicable to the determination of nitrogen, phosphorus, potassium, sodium, calcium and magnesium in forest plants and forest litter.
LY/T 1271-1999 history
1999LY/T 1271-1999 Determination of total nitrogen,phosphorus,potassium,sodium,calcium,magnesium in forest plant and forest floor