广灭灵大豆田除草试验示范报告

在三年小区试验基础上,1989～1990年于全省东、中、西部设十余点,共13.3余公顷。对广灭灵在大豆田进行了单用、混用试验示范。经两年考证,广灭灵能有效地防除大豆田多种一年生禾本科及阔叶杂草,对大豆出苗,生育无不良影响,除草效果稳定在80%,是目前大豆田土壤处理较佳药剂,有发展前途,在吉林省可以推广应用。

REPORTS ON DIMETHAZONE DEMONSTRATING EXPERIMENT IN SOYBEAN FIELDS

From 1989～1990,the demonstrating experiment of dimethazone was conducted in soybeanfields with single usage and mixtures at 10 locations in the east parts,middle parts and west parts ofJilin province.The demonstrated areas were more than 13ha.The results indicated that dimethazonewas effective against annual Gramineae weeds and broadleaves in soybean fields and did not affectthe emergence and growth of soybean.The dimetnzone could stably control 80% of the field weedsand it is one of the best soil-treated herbicides.It is recommended that the dimethazone be used tocontrol the weeds of soybean field in Jilin province.