In many parts of the world, agriculture has been marked by increased productivity. And yet, that alone has not been enough to eradicate hunger globally.
There's also been a backlash against the external environmental impact of conventional agriculture, leading to powerful movements in favor of organic and sustainable farming.
La Rural, Argentina's annual agricultural show, is a major event. This year farmers and the food industry were considering just how much the recently agreed EU- Mercosur free trade deal will benefit them - and where the pitfalls are.