腐植酸类液肥的生物活性检验方法初探

Study of an Examine Way of the Humic Acid Class Liquid Fertilizer's Biology Action

报道腐植酸类液肥生物活性的3 种检验方法:1)用大蒜水培法测定促进作物生长;2)用菜豆角或黄瓜的叶片测定气孔开张度;3)用棉花黄萎病菌和枯萎病菌平皿培养法作抑菌和杀菌试验.

To introduce three class exam ine w ay of the hum ic acid class liquid fertilizer'sbiology active:1)Exam inepom ate crope grow by am ethod ofthegarlic in the w ater;2)Exam ine open orclose stom a by the kidney been or cucum ber beaf;3)Exam ine restrain and kill death Verticillium albo-atrum R et B or Fusarium oxysporum f. vasinfectum (ATK) Snyder S.Hansen.The m ethods very prom incnce and hum ic acid density is incidentw ith one another.