Soyabean futures on the Chicago Board of Trade turned lower early Tuesday, retreating from higher ground in the face of farmer selling, traders said. As of 10:14 am CST (1614 GMT), March soyabeans were down 6 cents at $9.23-1/2 per bushel, trading from $9.44 to $9.22-1/4. March corn up 2 cents at $3.58 per bushel.