Robots could be used on farms by 2020

Engineers from Harper Adams University in Shropshire are working on robots that can autonomously plant seeds, weed, water and spray without a farmer needing to enter the field.

Farmers could soon be given a helping hand to harvest their vegetables - in the form of robots.   Scientists are developing farm robots that don't harvest crops until they are perfect, eradicating wonky and inedible vegetable. And it may not be long before we see the robots hitting fields, with experts predicting they could be used as early as 2020.Scroll down for video  Scientists are developing farm robots that don't harvest crops until they are perfect, which could be used as early as...