煤基固废与牛粪混合发酵基质在荒漠化土壤改良中的应用环境工程专业论文.docxVIP

优秀毕业论文 精品参考文献资料 煤基固废与牛粪混合固态发酵基质在荒漠化土壤改良中的应用研究表明：地质肥料配施微生物菌剂对荒漠化土壤起到很好的改善作用， 煤基固废与牛粪混合固态发酵基质在荒漠化土壤改良中的应用 研究表明：地质肥料配施微生物菌剂对荒漠化土壤起到很好的改善作用， 满足柳枝稷、紫花苜蓿和油葵等作物生长所需营养。利用主成分分析的方法对 不同施肥处理后土壤肥力进行评价，种植紫花苜蓿、柳枝稷和油葵三种植物土 壤分别在煤基固废含量为20％、30％和40％且配施微生物菌剂施肥处理后，其 综合得分均达到最高，肥效最好。为消纳更多的煤机固废和牛粪且对沙土改良 效果最优，综合评价所有处理的土壤肥力指标得出，煤基固废含量为40％处理 配施微生物菌剂种植油葵，是对沙漠化土壤改良效果最好的处理方案。 关键词：硅钙渣，粉煤灰，微生物菌剂，地质肥料，荒漠化土壤 万方数据 APPLICATION APPLICATION OF FE剐MENllATION SUB STRATE MIXED WITH COAL．BASED SOLID WASTE AND COW DOWN FOR IⅣ口ROVEMENT 0F DESERTIFICATION SOIL ABSTRACT Coal resources enrich in the western region of Inner Mongolia，when developing and utilizing coal resources，large quantities of coal-based solid wastes are generated， it caused resources like fly ash wasted，also seriously affected local environment and promoted desertification．In this study,we used coal-based solid wastes and COW dung as fertilizer geological substrates，after coupled microbial agents then applied in the desertification soil and planted energy plants．We tested and evaluated soil quality after applying different fertilizers and explored the best ratio of soil geological fertilizer and effect and feasibility on soil improvement of desertification． In this regenerated geological fertilizer,the share of coal-based solid waste Was 20％，30％and 40％，this fertilizer could significantly reduce the pH of the mixed matrix，with mass ratio of 1：4 applied desertification soil，pH of the soil in the range 7．9 to 8．5，to meet the general crop conditions．Panicum virgatum germination rate was between 75％to 80％，Medicago sativa germination rate could reach more than 万方数据 煤基固废与牛粪混合固态发酵基质在荒漠化土壤改良中的应用 煤基固废与牛粪混合固态发酵基质在荒漠化土壤改良中的应用 80％，Helianthus annuus germination rate could reach about 99％．Microbial agents may well improve the germination rate，plant height and total biomass of the species． Different soil after fertilization basic physical and chemical properties，soil fertility,nutrient content and other indicators related analysis and detection，found tha