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当前位置: 首页 > 文章 > 生石灰用量对早竹林土壤酸碱度及有效态重金属含量的影响 浙江林业科技 2017 (2) 55-59
Position: Home > Articles > Effect of Application of CaO on Soil pH and Heavy Metal Content in Phyllostachys violascens Stands Journal of Zhejiang Forestry Science and Technology 2017 (2) 55-59

生石灰用量对早竹林土壤酸碱度及有效态重金属含量的影响

作  者：
刘军;冯秀智;史磊;张燕萍
单  位：
浙江农林大学环境与资源学院;浙江省杭州市余杭区林业工作站;浙江省杭州市余杭区余杭街道农业公共服务中心;浙江省杭州余杭区上湖明山竹笋专业合作社
关键词：
土壤酸碱度;有效态重金属;生石灰;早竹
摘  要：
2016年4月,在浙江省余杭区选择3块相邻的退化早竹Phyllostachys violascens林地,采用随机区组设计,建立12个10 m×10 m的小区,设置0(CK),1 500,4 500,7 500 kg·hm~(-2)生石灰用量处理。施用后7个月,测定不同生石灰用量对林地土壤酸碱度及有效态重金属含量的影响。结果表明,生石灰的施入显著提高了土壤p H、降低了土壤交换性酸含量(P<0.05)。与对照相比,土壤p H分别提高了0.21~0.60个单位,土壤交换性酸总量、H+含量和Al~(3+)含量,分别下降了10.3%~32.2%,13.5%~32.2%,9.8%~31.3%。生石灰的施用显著降低了土壤有效态重金属的含量(P<0.05),有效态重金属Zn,Cu,Pb,Cd的含量分别降低了13.4%~40.5%,23.4%~49.0%,26.2%~55.0%,3.4%~46.8%。
译  名：
Effect of Application of CaO on Soil pH and Heavy Metal Content in Phyllostachys violascens Stands
作  者：
LIU Jun;FENG Xiu-zhi;SHI Lei;ZHANG Yan-ping;Yuhang Forestry Station of Zhejiang;School of Environment and Resources, Zhejiang A & F University;Yuhang Township Agricultural Center of Zhejiang;Yuhang Shanghumingshan Bamboo Shoot Cooperatives of Zhejiang;
关键词：
pH;;heavy metal;;CaO;;Phyllostachys violascens
摘  要：
Selection of degraded Phyllostachys violascens stands was implemented in April of 2016 in Yuhang, Zhejiang province for establishing 12 sample plots by randomized block design. Treatments of application of Ca O were carried out with 0(ck), 1500, 4500 and 7500 kg/ha. p H and heavy metal content in the soil was determined in November. The result demonstrated that application of Ca O could increase p H and decrease exchangeable acid(P<0.05). Compared with the control, p H of soil treated by Ca O increased 0.21-0.60, exchangeable acid, H~+ content and Al~(3+) content decreased by 10.3%-32.2%, 13.5%-32.2% and 9.8%-31.3%. Application of Ca O could evidently decreased Zn, Cu, Pb and Cd content by 13.4%-40.5%, 23.4%-49.0%, 26.2%-55.0% and 3.4%-46.8%.

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