污泥堆肥对迎春和紫穗槐生长的影响及其施用量确定

Bulletin of Soil and Water Conservation(2011)

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Abstract
采用盆栽土培试验的方法,研究了污泥堆肥对水土保持措施常用植物迎春(Jasminum nudiflo-rum)和紫穗槐(Amorpha fruticosa)生长的影响。结果表明,迎春和紫穗槐在污泥堆肥施用比例分别为栽培土量的0~5%和0~10%时,株高、冠幅及植物干重均随污泥堆肥施用比例的增加而增加。施用适量的污泥堆肥有利于植物的生长。并根据重金属不同形态的环境风险引入毒性响应系数,最终确定了北京市通州区污泥堆肥合理施用量为3.62 t/(hm2.a)。
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Key words
application rate,heavy metal,Amorpha fruticosa,Jasminum nudiflorum,sewage sludge compost
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