The practical rate of gain and loss of nitrogen, phosphorus and potassium were all in the permit range, this indicated that exploit of nitrogen, phosphorus and potassium are rather reasonable.
氮磷钾的实际盈亏率均在允许盈亏范围内，说明氮磷钾养分利用情况比较合理。
The practical rate of gain and loss of nitrogen, phosphorus and potassium were all in the permit range, this indicated that exploit of nitrogen, phosphorus and potassium are rather reasonable.
氮磷钾的实际盈亏率均在允许盈亏范围内，说明氮磷钾养分利用情况比较合理。
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