标准号:IS 2720 Pt.22-1972
发布日期:1972/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Section 1 of this standard ( Part XXII) lays down the method for determining the percentage by weight of the organic matter present in soils based on the determination of the organic carbon content of the soil.