Biological tests show that both fertilizers are helpful to improve lawn quality, reduce nitrate nitrogen leaching loss and raise fertilizers utilization rate.
生物试验表明：两种肥料有利于草坪质量的提高，减少土壤中硝态氮的淋失，提高肥料的利用率。
Biological tests show that both fertilizers are helpful to improve lawn quality, reduce nitrate nitrogen leaching loss and raise fertilizers utilization rate.
生物试验表明：两种肥料有利于草坪质量的提高，减少土壤中硝态氮的淋失，提高肥料的利用率。
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