Methods of soil investigations for agricultural water engineering - Field tests - Part 7: Determination of infiltration rate by double ring infiltrometer— 3 стр.
Methods of soil investigations for agricultural water engineering - Field tests - Part 13: Determination of carbonate, sulfide, ph-value and iron(II)-ions— 4 стр.
Methods of soil investigations for agricultural engineering - Chemical laboratory tests - Part 6: Determination of iron soluble in oxalate solution— 3 стр.
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of leachability by water (S 4)— 10 стр.
Soil quality - Determination of particle size distribution in mineral soil material - Method by sieving and sedimentation (ISO 11277:1998 + ISO 11277:1998 Corrigendum 1:2002)— 38 стр.
Soil quality - Sampling - Part 5: Guidance on the procedure for the investigation of urban and industrial sites with regard to soil contamination (ISO 10381-5:2005)— 43 стр.