[FTIR spectra of endangered plants Ulmus elongata and its correlation to soil nitrogen].


Ulmus elongata, an endemic species in China, is one of the grade II national key conservation rare and endangered plants. The spectra of root, stem, skin and leaf of Ulmus elongata sampled from eight different sites were determined by Fourier transform infrared (FTIR) spectrometry with OMNI-sampler directly, fast and accurately. A positioning technology of… (More)


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