甘蓝对N:P2O5:K2O的要求比例为()。A、3:1:4B、3:2:4C、2:3:4D、1:1:1

甘蓝对N:P2O5:K2O的要求比例为()。

  • A、3:1:4
  • B、3:2:4
  • C、2:3:4
  • D、1:1:1

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