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有机肥对连作西瓜生长和土壤微生物区系的影响
引用本文:吕卫光,杨广超,沈其荣,张春兰,诸海焘,余廷园.有机肥对连作西瓜生长和土壤微生物区系的影响[J].上海农业学报,2006,22(4):96-98.
作者姓名:吕卫光  杨广超  沈其荣  张春兰  诸海焘  余廷园
作者单位:1. 上海市农业科学院环境科学研究所,上海市设施园艺技术重点实验室,上海,201106;南京农业大学资源与环境科学学院,南京,210095
2. 南京农业大学资源与环境科学学院,南京,210095
3. 上海市农业科学院环境科学研究所,上海市设施园艺技术重点实验室,上海,201106
基金项目:上海市科技兴农科技攻关项目
摘    要:在产生西瓜连作障碍土壤上增施有机肥,促进了连作西瓜生长,显著提高了西瓜根系活性,西瓜总根长、根表面积增大,改善了连作西瓜土壤中微生物的数量和区系,细菌和放线菌数量增加显著。4种有机肥料相比,3号、4号肥料优于1号、2号肥料。

关 键 词:有机肥  连作  西瓜  土壤微生物区系
文章编号:1000-3924(2006)04-96-03
收稿时间:08 15 2005 12:00AM
修稿时间:2005-08-152006-10-31

Effects of organic fertilizers on continuous cropping watermelon growth and soil microflora
L Wei-guang,YANG Guang-chao,SHEN Qi-rong,ZHANG Chun-lan,ZHU Hai-tao,YU Ting-yuan.Effects of organic fertilizers on continuous cropping watermelon growth and soil microflora[J].Acta Agriculturae Shanghai,2006,22(4):96-98.
Authors:L Wei-guang  YANG Guang-chao  SHEN Qi-rong  ZHANG Chun-lan  ZHU Hai-tao  YU Ting-yuan
Institution:1 Environmental Science Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai 201106, China ; 2 College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
Abstract:The experiments of applying organic fertilizers to soil that had produced an impediment to continuous cropping watermelon growth were carried out.The results showed that applying organic fertilizers ameliorated soil ecologic environment,increased the root activity and watermelon growth and improved soil microflora.The numbers of soil bacteria and actinomycetes significantly increased after applying organic fertilizers.Among the 4 tested organic fertilizers,the effects of No.3 and No.4 organic fertilizers were better.
Keywords:Organic fertilizer  Continuous cropping  Watermelon  Soil microflora
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