生物有机肥对盐渍土酶活性和腐殖质组分的影响  

Effects of Bio-organic Fertilizer on Enzyme Activity and Humus Compositions in Saline Soil

作　　者：谷思玉[1] 汪睿[1] 耿泽铭 王佳佳[2] 周连仁[1] 魏自民[3] 

机构地区：[1]东北农业大学资源与环境学院,哈尔滨150030 [2]中国农业大学资源与环境学院,北京100193 [3]东北农业大学生命科学学院,哈尔滨150030

出　　处：《水土保持学报》2014年第1期147-151,共5页Journal of Soil and Water Conservation

基　　金：国家科技支撑计划项目(2012BAJ21B02);国家自然科学基金项目(50878201);黑龙江省自然科学基金项目(C200917);公益性行业(农业)科研专项经费项目"松嫩平原中部盐碱化旱地节水控盐农业高效技术模式研究与示范"(200903001-06-6);校企共建项目"生物有机肥修复盐碱地质量研究"(2011-7)

摘　　要：通过测定不同改良年限盐渍土腐殖质的变化及过氧化氢酶、脲酶的活性,研究生物有机肥对盐渍土的改良效果。结果表明,生物有机肥均可以提高土壤过氧化氢酶和脲酶活性,且连续多年施用生物有机肥地块的改良效果优于开垦1年地块,其中以全量有机肥提高幅度最为明显,分别为8.85%,16.57%。腐殖质及其各组分的含量在生物有机肥的处理下均提高。改良多年的盐渍土,HA/FA、E4/E6比值同时提高,说明生物有机肥不仅可改善土壤腐殖质的腐殖化程度,还可提高其活性。A field experiment was conducted to study t the measurement of the activity of catalase, urease a could enhance the activity of catalase and urease, and yearly was superior to one-year application. Then the he effects of bio-organic fertilizer on the saline soil with nd the humus. The application of bio-organic fertilizer the improvement effect of applying bio-organic fertilizer best treatment was the total amount bio-organic fertilizer, the increasing ranges were 8. 85%, 16. 57%. The application of bio-organic fertilizer could increase the content of humus compositions. The ratios of HA/FA, E4/E6 were both higher, it showed that bio-organic fertilizer could improve the structure and increase the activity of humus, ameliorate the soil fertility.

关 键 词：盐渍土 过氧化氢酶 脲酶 腐殖质组分 生物有机肥 

分 类 号：S156.4[农业科学—土壤学] S141[农业科学—农业基础科学]