污泥有机复合肥对几种植物生理学效应的影响

[目的]污泥有机复合肥是污水处理过程中产生活性污泥的下游产品.检测有机肥对作物肥效和伤害作用.[方法]在室内分别种植了高羊茅、早熟禾、三叶草、万寿菊、小麦、油菜、菠菜和甜瓜8种不同的植物,设置了对照组和施肥量为2;、4;、6;、8;和10;五个处理组,并测定了不同施肥量下各种植物的株高、生物量、叶绿素含量、MDA含量、可溶性糖含量、细胞质膜相对电导率和SOD、POD和CAT活性.[结果]在施用该有机复合肥后,各种植物的生物量均有不同程度的提高;且在合理的施用范围内,该种有机肥不会对植物的生长发育造成不良的影响.[结论]活性污泥生产的有机复合肥可以应用于农业生产.

A Study on Physiological Effects of Sludge Organic Compound Fertilizer on Several Plants

[Objective] Sludge compound fertilizer is a product of waste water disposal.A prediction was conducted on the damage effect of organic fertilizer on the fertilizing result and iryury action.[Method]Eight different kinds of plants such as tall fescue,kentucky bluegrass,clover,marigold,wheat,rape,spinach and muskmelon are planted in chambers respectively,then a control group was set up and five treatment groups with the fertilizing quantity of 2%,4%,6%,8%,10% were designed respectively.The height of individual,biomass,content of chlorophyll,MDA and dissoluble carbohydrates,relative electric conductivity of protoplasm membrane and activity of SOD,POD,CAT were measured under different fertilizing quantity.[Result] The results indicated that the bimass of different plants increased in different extent after using the organic compound fertilizer;the compound fertilizer does not have negative effects on growth and development of plants under suitable fertilizing quantity.[Conclusion]The organic compound fertilizer from sludge can be used in agriculture manufacture.