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黄腐酸有机-无机复混药肥对茄子根际土壤微生物和酶活性的影响

WANG Jin,YE Changdong,TAO Wei,LI Endong,ZHANG Ye,SU Tianming,HE Tieguang,WANG Jiping,LI Jiawei,YE Changcheng,LIU Meiqing

Phosphate & Compound Fertilizer（2020）

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Abstract
通过田间试验,研究不同黄腐酸有机-无机复混药肥用量对茄子根际土壤微生物和酶活性的影响.结果表明,在苗期、开花坐果期和盛果期,与不施肥和常规化肥处理相比,施用黄腐酸有机-无机复混药肥能够促进土壤微生物活动,使细菌、真菌、放线菌和总微生物数量增加.初花期到盛果期,养分减量30％的黄腐酸有机-无机复混药肥处理的蔗糖酶活性、磷酸酶活性和脲酶活性逐渐升高,盛果期活性与苗期相比分别增加3.63％、21.20％和137.25％.
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