摘要
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.
出处
《河北师范大学学报(自然科学版)》
CAS
1999年第4期551-553,557,共4页
Journal of Hebei Normal University:Natural Science
关键词
腐植酸
抑菌杀菌试验
生物活性
检验
液体肥料
hum ic acid
prom ote crope grow
restrain
kill pathogenic fungus exam ine