Other limiting or potential limiting factors on the soil of Xiangyang were N, K and B; and on the soil of Ezhou were N, K, B and Zn.

 
  • 襄陽(yáng)土壤其它限制因素或潛在限制因素為氮、和硼;鄂州土壤則為氮、、和鋅。
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