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Effectiveness of the Rotary Hoe for Weed Control in Soybeans¹

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.

² Agricultural Engineer, Agricultural Engineering Research Division, ARS, USDA; Associate Professor of Farm Crops and Agronomist, Crops Research Division, ARS, USDA; and Associate Professor of Botany and Plant Pathology and Farm Crops, respectively.

Received for publication February 19, 1958.

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				W. J. Cox, J.S. Singer, E.J. Shields, J.K. Waldron, and G. C. Bergstrom Agronomics and Economics of Different Weed Management Systems in Corn and Soybean Agron. J., July 1, 1999; 91(4): 585 - 591. [Abstract] [Full Text] [PDF]