We used an iPhone in Las Vegas to start and stop a tractor in Austin, Texas.Standing at the John Deere booth at this year’s CES in the Las Vegas Convention Center, I pushed the PAUSE button on an iPhone.

One of America’s oldest agricultural companies has cut its full-year profit forecast for a second time as farmers, who are battling declining prices for their crops, buy fewer tractors and other equipment.

Deere’s fiscal second-quarter results beat Wall Street’s expectations, but the company lowered its full-year profit forecast for a second time as farmers buy fewer tractors and other equipment as they deal with declining prices for their crops.

Deere on Thursday trimmed its annual profit forecast for the second time and projected steeper declines in sales of large agriculture equipment, as farmers balk at buying tractors and combines due to falling crop prices.