This standard specifies methods for determining available phosphorus in forest soil using the hydrochloric acid-sulfuric acid leaching method, ammonium fluoride-hydrochloric acid leaching method and sodium bicarbonate leaching method. This standard applies to the determination of available phosphorus in forest soil.
LY/T 1233-1999 history
2016LY/T 1232-2015 Determination of total phosphorus in forest soil
1999LY/T 1233-1999 Determination of available phosphorus in forest soil
LY/T 1233-1999 Determination of available phosphorus in forest soil was changed to LY/T 1232-2015 Determination of total phosphorus in forest soil.