Nitrogen content in soil
Nitrogen content in soil, Total:3 items.
The international standard classification for "Nitrogen content in soil" includes: .
The Chinese standard classification for "Nitrogen content in soil" includes: .
Gosstandart of Russia
- GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
Indonesia Standards
- SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)
- TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
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