结合土柱试和盆栽试验的结果综合分析，在土壤碱化度低于30%的轻、中度碱化土壤通过水利与农业措施相结合的办法而不用化学改良剂就可以改良好；
Combinating the siol column and potted plant experiment synthesize analysis that the soil alkalinity below 30% can be all improved by hydraulic and agricultural measure without the chemical amendment.
采用堆肥池，以硫酸、磷酸、硫酸铝、硫酸钙、氯化钙、过磷酸钙作为化学改良剂，研究了化学改良剂对稻草猪粪堆肥氨气挥发累积规律和腐熟进程的影响。
Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
阐述植物修复的基本内容，并重点介绍了植物组合技术在螯合剂——植物修复、基因工程——植物修复、电压——植物修复、化学改良剂——植物修复中的应用。
The basic contents of phyto-remediation and its combination technology of using plants and other means to remediate heavy-metal contaminated soil are introduced in this paper.
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