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气化渣复配调理剂对风沙土土壤性质及高羊茅生长的影响

Effect Of Gasification Residue Compound Conditioner on Soil Properties and Growth of Tall Festuca in Aeolian Sandy Soil
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摘要 使用高羊茅作为指示作物,采用田间小区及随机区组的试验方法,研究施用不同含量的气化渣复配土壤调理剂ET1(1000 kg/667 m^(2))、ET2(2000 kg/667 m^(2))、ET3(4000 kg/667 m^(2))、ET4(8000 kg/667 m^(2))对风沙土土壤性质的影响。结果表明:(1)施用气化渣复配土壤调理剂可有效改良风沙土的物理性状。与CK相比,土壤含水量平均增幅18.12%;土壤容重平均降幅3.23%;地温平均增幅2.68%;(2)施用气化渣复配土壤调理剂可有效改良风沙土的化学性状。(3)施用气化渣复配土壤调理剂可有效改良高羊茅的农艺性状。土壤地温的增加可以使作物安全越冬、提高种子存活率。因此,气化渣复配土壤调理剂能有效改善风沙土土壤的理化性状,显著改善高羊茅的农艺性状,并且使用8000 kg/667 m^(2)的气化渣复配土壤调理剂为最佳选择。 Using tall fescue as an indicator crop,and using field plot and randomized block experimental methods,a study was conducted to investigate the effects of applying different amounts of gasification slag combined with soil conditioner ET1(1000 kg/acre),ET2(2000 kg/acre),ET3(4000 kg/acre),ET4(8000 kg/acre)on the soil properties of aeolian sandy soil.The results indicated that:(1)the application of gasification residue combined with soil conditioner effectively improved the physical properties of sandy soil.Compared with CK,the average increase in soil moisture content was 18.12%;The average decrease in soil bulk density was 3.23%;The average increase in ground temperature was 2.68%;(2)The application of gasification residue combined with soil conditioner effectively improved the chemical properties of aeolian sandy soil;(3)The application of gasification residue combined with soil conditioner effectively improved the agronomic characteristics of tall fescue.Based on the data,an increase in soil temperature can ensure safe overwintering of crops,improve seed survival rate,and also lead to early greening of crops.Compared to unfertilized crops,it leads to earlier growth period.Therefore,the combination of gasification slag and soil conditioner can effectively improve the physical and chemical properties of sandy soil,significantly improve the agricultural characteristics of tall fescue.The use of 8000 kg/acre of gasification slag combined with soil conditioner represents the optimal choice.
作者 杨航 李懿轩 李强 赵俞 艾锋 张凯煜 YANG Hang;ZHAO Yu;LI Qiang;ZHAO Jiang;AI Feng;LIU Na;ZHANG Kaiyu(Key Laboratory of Ecological Restoration in Shanxi North Mining Area,Yulin University,Yulin,Shaanxi 719000,China;Yulin Solid Waste Resource Utilization Engineering Technology Research Center,Yulin University,Yulin,Shaanxi 719000,China)
机构地区 榆林学院 榆林学院
出处 《陕西农业科学》 2024年第6期63-71,共9页 Shaanxi Journal of Agricultural Sciences
基金 陕西省教育厅服务地方专项(SXJYT-30) 陕西省科技厅产业链(2021QFY04-03)。
关键词 风沙地 气化渣 土壤性质 高羊茅 Aeolian sandy soil Gasification slag Soil properties Tall fescue
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