Compared with the control, the chlorophyll content of the seedling also showed a decreasing trend, which decreasing by 6.99%, 5.72%, and 8.54% at 76, 86 and 96 d after replanting, respectively.
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Replanting alters nitrogen uptake and the expression level of ammonium transporter genes in grapevine.
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Studies have indicated that soil organic matter exhibits a highly significant linear correlation with ammonium nitrogen and nitrate nitrogen, and soils rich in organic matter demonstrate stronger gross nitrogen mineralization and nitrification [ 39 , 40 ].In our study, despite the higher organic matter content in the replanted soils, decreases in available nitrogen, ammonium nitrogen, and nitrate nitrogen were found, implying that the conversion of soil nutrients may be impeded, which is linked to soil microorganisms.