森林土壤交换性锰的测定
Determination of exchangeable manganese in forest soil
1999-07-15
LY/T 1257-1999
森林土壤浸提性铁、铝、锰、硅、碳的测定
Determination of extracting iron, aluminium, manganese, silica, carbon in forest soil
1999-07-15
LY/T 1270-1999
森林植物与森林枯枝落叶层全硅、铁、铝、钙、镁、钾、钠、磷、硫、锰、铜、锌的测定
Determination of total silica, iron, aluminium, calcium, magnesium, potassium, sodium, phosphorus, sulphur, manganese, copper and zinc in forest soil
1999-07-15
LY/T 1253-1999
森林土壤矿质全量元素(硅、铁、铝、钛、锰、钙、镁、磷）烧失量的测定
Determination of mineral total elements ( silica, iron, aluminium, titanium, manganese,calcium, magnesium, phosphorus ) ignition loss in forest soil
1999-07-15
LY/T 3129-2019
森林土壤铜、锌、铁、锰全量的测定 电感耦合等离子体发射光谱法
Determination of the total copper, zinc, iron and manganese in forest soils—Inductively coupled plasma-optical emission spectrometer (ICP-OES)