Soil improvers and growing media. Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density
Addendum 1 to ANSI/NCITS X3.100-1989, Interface Between DTE & DCE for Packet Mode Operation with Packet Switch Data Communications Networks - NUI and NUI-Derived Facility Extensions (formerly ANSI X3.100-1989(R1995) Add.1:1991)