This is a preview. Log in through your library . Abstract The longitudinal variations in the nitrogen (δ¹⁵N) and oxygen (δ¹⁸ O) isotopic compositions of nitrate (NO₃⁻), the carbon isotopic composition ...
Leafy green vegetables such as lettuce, Asian greens, and spinach can accumulate high concentrations of nitrate-nitrogen (NO3-N), which are potentially harmful if consumed by humans. Measuring NO3-N ...
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