LY/T 1237-1999
森林土壤有机质的测定及碳氮比的计算
Determination of organic matter in forest soil and calculation carbon-nitrogen ratio
1999-07-15
LY/T 1271-1999
森林植物与森林枯枝落叶层氮、磷、钾、钠、钙、镁的测定
Determination of total nitrogen, phosphorus, potassium, sodium, calcium, magnesium in forest soil
1999-07-15
LY/T 1234-2015
森林土壤钾的测定
Potassium determination methods of forest soils
2015-10-19
LY/T 1232-2015
森林土壤磷的测定
Phosphorus determination methods of forest soils
2015-10-19
LY/T 1269-1999
森林植物与森林枯枝落叶层全氮的测定
Determination of total nitrogen in forest plant and forest floor
1999-07-15
LY/T 1219-1999
森林土壤温度的测定
Determination of forest soil temperature
1999-07-15
LY/T 1223-1999
森林土壤坚实度的测定
Determination of forest soil hardness
1999-07-15
LY/T 1224-1999
森林土壤土粒密度的测定
Determination of soil particle density in forest soil
1999-07-15
LY/T 1213-1999
森林土壤含水量的测定
Determination of forest soil water content
1999-07-15
LY/T 1266-1999
森林土壤有效硅的测定
Determination of available silica in forest soil
1999-07-15
LY/T 1214-1999
森林土壤土水势的测定
Determination of forest soil water potential
1999-07-15
LY/T 1226-1999
森林土壤微团聚体组成的测定
Determination of forest soil micro-aggregate
1999-07-15
LY/T 1238-1999
森林土壤腐殖质组成的测定
Determination of humus fractionation in forest soil
1999-07-15
LY/T 1255-1999
森林土壤全硫的测定
Determination of total sulphur in forest soil
1999-07-15
LY/T 1227-1999
森林土壤大团聚体组成的测定
Determination of forest soil macro-aggregate
1999-07-15
LY/T 1260-1999
森林土壤有效铜的测定
Determination of available copper in forest soil
1999-07-15
LY/T 1250-1999
森林土壤碳酸钙的测定
Determination of calcium carbonate in forest soil
1999-07-15
LY/T 1220-1999
森林土壤呼吸的测定
Determination of intensity of forest soil respiration
1999-07-15
LY/T 1240-1999
森林土壤交换性酸的测定
Determination of exchangeable acidity in forest soil
1999-07-15
LY/T 1216-1999
森林土壤最大吸湿量的测定
Determination of forest soil maximum hygroscopicity
1999-07-15