首页> 外文会议>International Soil Conservation Organization Conference vol.3; 20020526-31; Beijing(CN) >Effect of Sewage Sludge Compost Application on Ammonium-Nitrogen and Nitrate-Nitrogen Contents of an Olive Grove Soil
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Effect of Sewage Sludge Compost Application on Ammonium-Nitrogen and Nitrate-Nitrogen Contents of an Olive Grove Soil

机译:污泥堆肥施用对橄榄林土壤铵态氮和硝酸盐氮含量的影响

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The objective of this work was to study the effect of sewage sludge compost on ammonia and nitrate accumulation in the olive-grove soil. This study has been conducted since 1998. To evaluate sewage sludge compost on soil-grove four treatments were set up in a clay loam soil in Sesena (Toledo, Spain). Every experiment was replicated four times. The applied treatments were sewage sludge compost (SSC), sewage sludge compost plus urea (SSC+U), urea (U) and a control (C). Two treatments have provided more N-NH_4~+ and N-NO_3~- content: U and SSC+U. Thus, results suggest that sewage sludge compost is a fertilizer of slow mineralization for olive grove soil.
机译:这项工作的目的是研究污水污泥堆肥对橄榄林土壤中氨和硝酸盐积累的影响。自1998年以来进行了这项研究。为了评估土壤林中的污泥堆肥,在塞塞纳(西班牙托莱多)的黏土壤中建立了四种处理方法。每个实验重复四次。应用的处理方法是污泥堆肥(SSC),污泥堆肥加尿素(SSC + U),尿素(U)和对照(C)。两种处理提供了更多的N-NH_4〜+和N-NO_3〜-含量:U和SSC + U。因此,结果表明,污水污泥堆肥是用于橄榄林土壤的缓慢矿化肥料。

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