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According to the ecological environment and current status of weeds in northern Hebei Province,five herbicides were screened out to test weed control efficacy and crop safety. The result showed that Gaolaotou was more economic and effective when spraying in soil on the sowing day at the dose of 2 250 m L/hm~2.
According to the ecological environment and current status of weeds in northern Hebei Province, five herbicides were screened out to test weed control efficacy and crop safety. The result showed that Gaolaotou was more economic and effective when spraying in soil on the sowing day at the dose of 2 250 m L / hm ~ 2.