根据读者要求,本刊从1985年第4期开始,增设“技术咨询”栏目。咨询的内容是针对读者需求,有计划地安排,每期1～2篇。本篇是应四川、湖南、河北等省部分读者要求,将余先柏编译的关于“田间试验中竞争效应的测量与控制”一文发表如下,供参考。 According to the reader’s request, our magazine started from the fourth period in 1985 and added a section titled “Technical Consultation”. The contents of the consultation is for the needs of readers, arranged in a planned manner, each period of 1 to 2 articles. This article is based on the requirements of Sichuan, Hunan, Hebei and some other provinces, compiled by Yu Xianbai on the “Measurement and Control of Competition Effects in Field Experiments”, and is for reference.