GUO Jing-jing,GUO Xiao-ping,ZHAO Ting-ning,et al.Effect of Quarry Waste Matrix on Growth of Festuca arundinacea in Beijing Fangshan[J].Research of Soil and Water Conservation,2013,20(03):161-166.
北京房山采石场渣土基质对高羊茅生长的影响
- Title:
- Effect of Quarry Waste Matrix on Growth of Festuca arundinacea in Beijing Fangshan
- Keywords:
- quarry waste; Festuca arundinacea; orthogonal experiment; growth index
- 分类号:
- S688.4
- 摘要:
- 针对工程渣土产生量与日俱增，随意堆放，破坏植被，加剧水土流失等现状，利用工程渣土进行人工土壤的重建，实现工程渣土的减量化、资源化利用。以渣土粒径（A）、羊粪用量（B）、秸秆用量（C）、木炭粉用量（D）作为试验因子，采用4因素3水平进行正交试验，研究不同配比的渣土基材对高羊茅出苗率、生长高度及生物量的影响。结果表明，4因素对高羊茅出苗率、生长高度及生物量的影响程度大小顺序为：羊粪用量（B） >秸秆用量（C） >渣土粒径（A） <木炭粉用量（D）。适宜高羊茅生长的较优基质配方为A1B2C2D2，即渣土粒径为0~10 mm，羊粪用量为9 g，秸秆用量为220 g，木炭粉用量为6 g。试验表明，渣土粒径范围的增大，抑制了高羊茅出苗及生长；当秸秆用量处于中等水平（220 g）或羊粪用量处理于中等水平（9.0）时，对出苗率、生长高度及生物量的影响最佳；木炭粉用量对于出苗率、生长高度及生物量的影响不显著。
- Abstract:
- Aimed at the present situation of the increase of the amount of the construction waste, optional stack, destroying vegetation, aggravating soil and water loss, engineering waste for the reconstruction of the artificial soil was used to realize the project of waste reduction and recycling use. In an orthogonally designed experiment of four factors, each at three levels, the effect of clinker particle diameter (factor A), dosage of ovine dung (factor B), the dosage of straw (factor C), dosage of charcoal powder (factor D) was analyzed on the follow indices (variables):rate of emergence, growth height, and biomass. The results showed that the order of importance of four factors on those indices (rate of emergence, growth height, and biomass) was:dosage of ovine dung (B), the dosage of straw(C), clinker particle diameter (A) and dosage of charcoal powder (D). The optimum disposition was the combination A1B2C2D2, (clinker particle diameter in 0~10 mm, dosage of ovine dung at 9 g, the dosage of straw at 220 g, dosage of charcoal powder at 6 g). The dosage which was at medium level (220 g) or the ovine dung was at medium level(9.0 g)showed a significant effect on the rate of germination and growth height. Test showed that the increase of the clinker size inhibited the emergence and growth; and the dosage of straw and ovine dung which was at medium level showed a significant effect on the rate of germination, growth height and biomasses. The dosage of charcoal powder had little influence on the rate of germination, growth height and biomass.
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备注/Memo
收稿日期:2012-10-08;改回日期:2012-11-11。
基金项目:国家林业公益性行业科研专项项目“建设工程损毁林地植被修复关键技术研究与示范”（200904030）；北京市科学技术研究院科技创新工程项目“矿山生态修复工程技术研究及试验平台建设”
作者简介:郭晶晶(1988-),女,山西太原人,硕士研究生,主要从事水土保持与荒漠化防治方面的研究。E-mail:chengximiao@163.com
通讯作者:郭小平(1962-),男,河南项城人,博士,教授,主要研究方向为水土保持、工程绿化。E-mail:guoxp@bjfu.edu.cn