1. To investigate the abilities of six in–row weeding implements to control in-row weeds in organic soybeans and corn. The initial selected six implements were reduced to five after preliminary trials showed that the Bezzerides Cultivator System with spyder set and spring hoe, was similar with the Bezzerides Cultivator System with spyder set and torsion weeders. This change was made with the agreement of the farmer. Also it was decided to use the Williams tool system as the tine weeder without the optional side knives offered.
2. To evaluate the economic costs and benefits, including labor, of six in-row weeding implements in organic soybeans and corn.