2) With a RN of 75%:25%, the value of proportion of high and middle grad tobacco, content of nicotin, N, K, uptake of N and K/Cl were the highest, volatile base was lowest.

 
  • 2)RN为75%25:25%25时,中上等烟比例、烟碱、总氮、钾、钾氯比、氮吸收量最高,挥发碱含量最低。
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