WEI Zi-min,ZHOU Lian-ren,WANG Lian-jun.Effect of Organic Manure on Humic Acid and E4/E6of Humus in Wind Blown Soil[J].HEILONGJIANG AGRICULTURAL SCIENCES,2003,(04):18-20.[doi:10.11942/j.issn1002-2767.2003.04.0018]
有机物料培肥对风沙土腐殖质中胡敏酸含量与E4/E6的影响
- Title:
- Effect of Organic Manure on Humic Acid and E4/E6of Humus in Wind Blown Soil
- 文章编号:
- 1002-2767(2003)04-0018-03
- Keywords:
- organic materials ; wind blown soil; humic acid; E4/E6
- 分类号:
- S156.99
- 文献标志码:
- A
- 摘要:
- 通过不同的试验设计,3年间对风沙土进行秸秆等有机物料培肥,研究其结合态腐殖质中胡敏酸含量与E4/E6的变化,结果表明,不同有机物料培肥均能提高风沙土腐殖质中胡敏酸的含量,根据2000年测定结果,与CK相比,提高幅度在0.02~0.17 C g/kg之间,但胡敏酸与腐殖质的比值,随着培肥年限的增加,与CK处理比较,有降低的趋势,降低幅度在0.17%~2.23%之间。胡敏酸的E4/E6在有机物料处理间变化规律不明显,但其值都大于CK,随培肥年限的增加,处于动态的变化。
- Abstract:
- Three years experiments were conducted to study the effect of organic manure applica-tion on humic acid and E4/E6 0f humus in wind blown soil. The results indicated that differentorganic matter could improve the contents of humic acid in humus, compared with CK, the con-tent of humic acid in the treatments of organic manure increased from 0. 02 C g/kg t0 0. 17 C g/kgaccording to the data in 2000, but the ratio of humic acid to humus, compared with CK, de-creased from 0. 17 t0 2. 23 percent with the application of organic manure. The ratio of E4/E6were no obvious difference in all organic manure treatments, but higher than that of CK, andkept dynamic changes.
参考文献/References:
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备注/Memo
收稿日期:2003-03-20