DIN 1185-2 Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 2: Planning and dimensioning*, 2015-12-01 Update
DIN 4047-4 Water engineering of agricultural lands - Part 4: Terms, peat and peat soils
DIN 19682-12:2007 history
2007DIN 19682-12:2007-11 Soil quality - Field tests - Part 12: Determination of degree of decomposition of peat
2007DIN 19682-12:2007 Soil quality - Field tests - Part 12: Determination of degree of decomposition of peat
1997DIN 19682-12:1997 Methods of soil investigations for agricultural engineering - Field tests - Part 12: Determination of degree of decomposition of peat