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 1258-1999
森林土壤有效硼的测定
Determination of available boron in forest soil
1999-07-15
LY/T 1265-1999
森林土壤有效硫的测定
Determination of available sulphur in forest soil
1999-07-15
LY/T 1259-1999
森林土壤有效钼的测定
Determination of available molybdenum in forest soil
1999-07-15
LY/T 1262-1999
森林土壤有效铁的测定
Determination of available iron in forest soil
1999-07-15
LY/T 1261-1999
森林土壤有效锌的测定
Determination of available zinc in forest soil
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
NY/T 890-2004
土壤有效态锌、锰、铁、铜含量的测定 二乙三胺五乙酸(DTPA)浸提法
Determination of available zinc, manganese, iron, copper in soil -- extraction with buffered DTPA solution
2005-01-04
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 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 1234-2015
森林土壤钾的测定
Potassium determination methods of forest soils
2015-10-19
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 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