广州市绿地土壤质量评价及其管理对策

对广州市各类绿地土壤调查表明，绿地土壤质地主要为砂质粘壤土和粘壤土；pH值多为中性至碱性；有机质、全氨、水解氨、速效钾含量偏低；土壤的全磷缺乏，速效磷、全钾含量中等；土壤容重大；绿地土壤综合肥力一般甚至贫瘠。综合分析了广州绿地土壤质量，提出具体管理对策。

Quality Evaluation of green space soil in Guangzhou City and its Management Strategy

This paper investigated all kinds of Greenbelt soil and showed ： the soils are dominated by sandy clay loam and clay loam; the pH value mostly falls into neutrality to alkaline; the content of organic matter, total nitrogen,hydrolysablc nitrogen and available potassium are low; the total phosphorus lacks; the soils tend to be high in bulk density, poor in total phosphorus, moderate in available phosphorus and total potassium. The result also indicated that the comprehensive fertility is generally even barren. And, the quality of Grcenbeh soil of Guangzhou was generalized analysis, and some strategies were put forward for soil management.