WU Hong,HAN Dayong,CHEN Hongjun,et al.Effect of Peach-chicken Combination Mode on Heavy Metal Contents of Soil[J].Northern Horticulture,2016,40(16):169-172.[doi:10.11937/bfyy.201616044]
“桃-鸡”种养结合模式对桃园土壤重金属含量的影响
- Title:
- Effect of Peach-chicken Combination Mode on Heavy Metal Contents of Soil
- Keywords:
- ‘peach-chicken’ ecological stocking; soil; heavy metal; effect
- 文献标志码:
- A
- 摘要:
- 以“白凤”水蜜桃为研究对象,研究了“桃-鸡”种养结合模式不同饲养密度对土壤重金属含量的影响。结果表明:“桃-鸡”种养结合模式可提高土壤有效Zn含量,各处理差异均达到极显著水平;随着饲养密度增大,初期土壤有效Ni含量增加,后期土壤有效Ni含量降低;宿迁Ni含量的最大值出现在667 m2 饲养10只处理,兴化Ni含量最大值出现在667 m2 饲养40只处理,姜堰在667 m2 饲养40~80只处理时土壤有效Ni含量低于CK;宿迁和姜堰土壤Cr含量在667 m2 饲养10只处理达到最大值,兴化在667 m2 饲养80只处理时达到最大值,泰州在667 m2 饲养60只处理达最大值,比对照增加了28.36%。试验表明“桃-鸡”种养结合模式可提高土壤重金属含量,但均在土壤环境质量标准(GB15618-1995)范围内。因此实现“桃-鸡”立体种养模式可充分利用立地空间,同时不会对土壤造成重金属污染风险。
- Abstract:
- ‘Baifeng’ honey peaches were taken as research object,the effects of different feeding densities on soil heavy metal contents were studied.The results showed that soil Zn content could be improved in ‘peach-chicken’ combination mode,the difference reached significant level;soil available Ni content early increased after decreased with the soil with the feeding density increased,the maximum of Ni in Suqian appeared at 667 m2 raising 10 chickens and Xinghua appeared at 667 m2 raising 40 chickens,while those of Jiangyan,were even lower than that of CK appeared at 667 m2 raising 40-80 chickens;soil Cr maximum content of Suqian and Jiangyan appear at 667 m2 raising 10 chickens,Xinghua appeared at 667 m2 raising 80 chickens and Taizhou appeared at 667 m2 raising 60 chickens,the maximum value reached to 28.36%.It indicated that ‘peach-chicken’ breeding combination mode could increase the heavy metal content in soil,but which were lower than soil environmental quality standard (GB15618-1995).Therefore,the realization of ‘peach-chicken’ combination mode could make full use of the space,improve economic efficiency,and would not cause the risk of heavy metal pollution of soil.
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备注/Memo
第一作者简介:吴红(1979-),女,甘肃张掖人,硕士,讲师,研究方向为果树遗传育种。E-mail:wh02gs@126.com.责任作者:王健(1974-),男,江苏如东人,硕士,副教授,现主要从事动物遗传育种与繁育等研究工作。E-mail:tzwjian@126.com.基金项目:江苏省农业科技自主创新资金资助项目(CX(13)3043);江苏省农业三新工程资助项目(SXGC(2015)302)。