Additionally, the PNS content in root significantly decreased with the increase of the N/K value both in the field and pot culture experiments, and all the correlations (except in the Qiubei field experiment) reached significant or highly significant levels ( Figures 6C,D ).
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Lowering Nitrogen and Increasing Potassium Application Level Can Improve the Yield and Quality of <i>Panax notoginseng</i>.
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