Use of labeled nitrogen to monitor trans
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X. Deng; S. A. Weinbaum; T. M. DeJong
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Article
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1989
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Springer-Verlag
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English
โ 516 KB
Nitrogen (N) derived from both the soil during current-year uptake, and the withintree pool of storage N was distinguished in two groups of "Serr" walnut trees using labeled fertilizer (tSN-depleted ammonium sulfate) applied in different years. Mass spectrometric analysis of N in xylem sap collected