This decade robots will increasingly venture into the fields, in the 2020’s they will take over completely in the US (except for the Amish, Hippie communes, and a few niches).
There is no avoiding the economics of it. Manual labor jobs are going away entirely within a generation. It will quickly spread over the whole world, as robot costs drop, and capabilities skyrocket.
We have had mechanical harvesters for some crops for over a century, but what is changing are the sensors, decision-making and dexterity of the new generation of machines. They are approaching human task functionality, and will then quickly surpass it.
Cheaper, faster and better are all coming. Things that are now done in the factory, like sorting and quality assurance, will be enabled at the point of picking - leaving the unripe to ripen, and improve yield. Additional processing steps like cleaning, freezing or canning could be pushed forward within minutes or hours of picking to improve quality. And superhuman sensors and testing could be incorporated to ensure the maximum sweetness and food safety.
Consumer prices should drop and quality improve.
Even with robots, they would have to battle insect pests, drought and weeds......................I can see a group of tiny robots working 24/7 going around the fields pulling weeds or cutting them down among the crops, then other tiny robot hordes hunting insects and killing them with lasers..................