汤原县水田除草方法演进  

Evolution of Weeding in Water Field in Tangyuan

作　　者：李广惠[1] 

机构地区：[1]黑龙江省汤原县农业技术推广中心,黑龙江佳木斯154700

出　　处：《垦殖与稻作》2003年第6期23-24,共2页Reclaiming and Rice Cultivation

摘　　要：为科学地制定除草体系,在比较详尽地查实历史资料的基础上,将本县80a来的稻田除草方法划分为5个除草阶段,阐述了每个阶段的除草特点和除草效果,提出了今后稻田化学除草的发展方向。Five weeding phases were set off based on historical datum. The characteristic and effect of every phase were expounded. The developing aspeet of weeding by chemistry was put forward.

关 键 词：汤原县 水田 除草方法 稻田化学除草 除草剂 

分 类 号：S451.21[农业科学—植物保护]