There is a greater increase in phosphatase activity with the use of NP fertilizer plus foliar feed than the use of NP fertilizer alone.

• 结果表明：施有机肥、化肥、有机肥+叶面肥处理土壤磷酸酶活性增加，施化肥+叶面肥处理比施化肥处理土壤磷酸酶活性增加；