A robot the size and shape of a square kitchen table wheels over a row of seedlings. It scans the ground with camera "eyes," then stops. A small probe lowers from the middle of the robot, homes in on ...
FARMER CITY, Ill. — In a research field off Highway 54 last autumn, corn stalks shimmered in rows 40 feet deep. Girish Chowdhary, an agricultural engineer at the University of Illinois at ...