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中文摘要：
研究了不同改良剂对滨海盐渍区土壤有机碳、盐分、pH值、土壤密度、养分及作物产量的影响。结果表明,与对照相比,不同改良剂均能明显提高0~20cm土层土壤有机碳,增加幅度为9%~57%。石膏、腐殖酸、有机肥的单施或配合施用均能明显降低表层土壤盐分和密度,提高土壤全氮、有效磷和速效钾,并能明显增加作物生物量和产量,增加幅度最高为35%和131%。
英文摘要：
Field experiments in coastal saline soil of north Jiangsu were conducted to study the effects of different soil amendments on soil organic carbon,soil salt content,pH,bulk density,soil fertility and crop yield.Results showed that soil organic carbon concentrations in 0~20cm layers increased by 9%~57% under all amendment treatments.Meanwhile,the application of gypsum,humic acidand farmyard manure could reduce soil salt content and bulk density of top soil,and improve soil total nitrogen,soil available P content and soil available K content,and significantly increase crop biomass and yield.The top crop biomass and yield increased by 35% and 131%.
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