Effectiveness of the Rotary Hoe for Weed Control in Soybeans 1

Synopsis Rotary hoeing performed when weeds were germinating but not emerged, and repeated once or twice at approximately 5‐day intervals, reduced weed infestations 70 to 80% and soybean stands about 10% in solid‐seeded and row‐planted soybeans. Bean yields were only slightly less than those from weed‐free plantings. When hoeing was delayed until weeds had emerged, both weed control and bean yield were impaired 50%. Wet soil conditions before or after hoeing reduced its effectiveness.