GB 12297-1990

Method for the determination of available phosphorus in calcareous soil

STANDARD published on 1.1.1990

English, Chinese -
electronic design (pdf) (248.80 USD)

The information about the standard:

Designation standards: GB 12297-1990
Note: WITHDRAWN
Publication date standards: 1.1.1990
Country: Chinese technical standard
Category: Technical standards GB