北部高寒区大豆化学除草药害产生原因分析

The Reasons for The Herbicide Injury to Crops in Cold Area of The Northeast China

北部高寒区常用除草剂产生药害的原因,一是受天气环境、土壤有机质、土壤残留、飘移、沾染等自然环境的影响;二是使用技术即人为的作业不标准、施用时期、混配技术、浓度过量、误导与误用;三是除草剂本身成份决定的如选择性不强、质量问题。

The reasons for herbicide injury to crops were firstly natural environment that is controlled by weather, soil organic matter, herbicide residual in soil, floating, contamination; secondly, techniques including non- criterion for human work, wrong date to application, technique misuse, overdosage, misleading; thirdly, herbicide itself, such as weak selectivity and quality problems.