It also promoted the roots to absorb Nitrogen from soil in pre-growing-stage. The Nitrogen content in the roots had significant change trends between the conventional cultivation and each process.
促进生长前期根系对土壤中氮的吸收，常规栽培的烤烟根中氮含量变化趋势与各处理均有显著差异。
It also promoted the roots to absorb Nitrogen from soil in pre-growing-stage. The Nitrogen content in the roots had significant change trends between the conventional cultivation and each process.
促进生长前期根系对土壤中氮的吸收，常规栽培的烤烟根中氮含量变化趋势与各处理均有显著差异。
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