available K

　
英 美
  • 速效鉀

available K的用法和樣例：

例句

  1. The available nitrogen and phosphorus contents in root rhizosphere were greater than those in bulk soil, while its content of the available potassium was lower.
    根際堿解氮和有效磷含量高于非根際土壤，其速效鉀含量卻低于非根際土壤。
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