中药渣蚓粪对玉米生长及土壤肥力特性的影响  

Effects of herb residue vermicompost on maize growth and soil fertility

作　　者：李静娟[1] 周波[1] 张池[1] 张静[1] 许欢[1] 杨小雪[1] 陈旭飞[1] 戴军[1] 

机构地区：[1]华南农业大学资源环境学院农业部耕地保育重点实验室/国土资源部建设用地再开发重点实验室/广东省土地利用与整治重点实验室,广州510642

出　　处：《应用生态学报》2013年第9期2651-2657,共7页Chinese Journal of Applied Ecology

基　　金：广东省教育部产学研结合项目(2011A090200038);广东省交通运输厅科技项目(201202064);国家自然科学基金青年科学基金项目(41201305);中国博士后科学基金面上项目(2012M511819);广东省自然科学基金博士启动项目(S2012040007806)资助

摘　　要：采用盆栽试验,研究了中药渣蚓粪对玉米生长及土壤肥力的影响.结果表明:随着蚓粪施用量的增加,玉米的株高、茎粗、叶面积、叶绿素含量均显著增加;生长60 d收获时,多数蚓粪处理的土壤容重显著降低;蚓粪处理的土壤pH显著高于对照和相应的化肥处理.蚓粪处理的土壤全氮、有机质含量也明显高于化肥处理,且随蚓粪施用量的增加,效果越趋显著.中药渣蚓粪可作为一种高效有机肥,其合理施用有助于改善土壤物理结构,缓解土壤的酸化进程,提高土壤有机质和氮素含量,有效促进作物生长.A pot experiment was conducted to evaluate the effects of herb residue vermicompost on maize growth and soil fertility. With the increasing application rate of vermicompost, the plant height, stem diameter, leaf area, and chlorophyll content of maize all increased significantly. After 60 days growth of maize, the soil bulk density in most vermicompost treatments decreased signifi- cantly. The soil pH in vermicompost treatments was significantly higher than that in CK and in chemical fertilization treatments. In addition, the soil total nitrogen and organic matter contents in vermicompost treatments were obviously higher than those in chemical fertilization treatments. It was suggested that herb residue vermicompost could be used as an efficient and high-quality organic fer- tilizer, and its appropriate application could improve soil physical structure, alleviate soil acidifica- tion, increase soil organic matter and nitrogen contents, and promote crop growth.

关 键 词：中药渣 蚓粪 玉米 土壤肥力 

分 类 号：S513[农业科学—作物学]