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Total Nitrogen (Environment Dictionary)

Total Nitrogen: The sum of the concentrations of all nitrogen forms in water, including ammonia (NH3), ammonium ion (NH4+), nitrite (NO2), and nitrate (NO3), and dissolved and particulate organic nitrogen expressed as elemental nitrogen.

👇​ ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖


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