Its debut Scarrow was a tractor-mounted affair that paired 96 scarifying tines with a chain harrow mat to remove thatch, spread dung and mole hills, and prepare ground for overseeding. See also ...

A tine harrow was more effective in reducing broadleaf weed numbers than a rotary harrow, however it caused more crop injury. Rasmuusen reported that a flexible chain harrow was a more efficient weed ...