plant standard sample
plant standard sample, Total:2 items.
The international standard classification for "plant standard sample" includes: .
The Chinese standard classification for "plant standard sample" includes: Soil and fertilizer in general .
Professional Standard - Agriculture
- GB 9838-1988 Standard soil and plant samples for 15N isotope rate analysis
- NY/T 89-1988 Standard soil and plant samples for 15N isotope rate analysis
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