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稻鸭共育对病虫草害及经济效益的影响
引用本文:邓强辉,潘晓华.稻鸭共育对病虫草害及经济效益的影响[J].农业科学与技术,2008,9(1):128-133.
作者姓名:邓强辉  潘晓华
作者单位:江西农业大学,江西南昌330045
基金项目:国家粮食丰产科技工程项目
摘    要:笔者对稻鸭共育处理在完全不使用农药和除草剂及连续定点3季情况下的田间病虫草害和经济效益情况进行研究。

关 键 词:稻鸭共育  病虫草害  经济效益  农药  除草剂

Effects of Rice-duck Mutualism on Diseases Insect Pests and Weeds and Economic Benefits
DENG Qiang-hui,PAN Xiao-hua.Effects of Rice-duck Mutualism on Diseases Insect Pests and Weeds and Economic Benefits[J].Agricultural Science & Technology,2008,9(1):128-133.
Authors:DENG Qiang-hui  PAN Xiao-hua
Institution:(Jiangxi Agricultural University, Nanchang 330045)
Abstract:Objective]Study on the effects of rice-duck mutualism on weeds and insects pests and economic benefits of paddy field.Method]Comparison of the incidence of weeds,sheath blight and insects pest under rice-duck mutualism,conventional cultivation and control treatment,the yield and economic benefits were analyzed under the 3 treatments.Result]Average occurrence of weeds in rice-duck mutualism group decreased by 2.33 and 52.08 ind/m2 compared with that in conventional cultivation and control treatment;the control rate of mutualism was up to 75% against rice hopper,but just between 25%-60% against rice leaf miler and Chilo suppressalis.The rates of diseased plant and diseased holl against rice sheath blight were higher and disease indices were lower compared with control group.The yield of mutualism group was identical with conventional cultivation,which was greatly higher than that of control group.The results suggested an higher economic benefits and lower cost benefit ratio for rice-duck mutualism treatment.Conclusion]Rice-duck mutualism gives birth to a positive effect to control the diseases,insect pests and weeds,as well as to economic benefits,providing basis on extension of rice-duck mutualism system.
Keywords:Rice-duck mutualism  Disease insect pest and weeds  Economic benefits
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