Soil benchmarks 31.12.1996

Soil reference value atlas based on the grid data of the Expert Committee of 31.12.1996. Legally binding information on individual plots should be obtained through the GAA基于1996年12月31日专家委员会网格数据的土壤参考值图集。 有关单个地块的具有法律约束力的信息，应通过GAA获取。