Studies on the Weed Killers in the Fields (Part.1)

Abstract

1. This study has been carried out to know the effect of the weed killers on the field grasses under. various conditions.
2. Single application of the 2, 4-D was little effective, for grown-up weeds but when it was mixed with the other killers, it grew more effective, among the mixed killers, phenyl mercuric acetate and phenyl mercuric chloride were effective.
3. Chlorate soda, KCIO3, (NaClO3), NH4SCN and Degras liquid were shown remarkably effective.