Would agriculture jobs be affected by the use of robots?

Currently robotic machinery is not affordable but the difference between this kind of machinery and the human labor cost could become insignificant by 2020 Adapted from Scientific American Most developed countries have seen labor participation in agriculture decline rapidly in the past 100 years, and this is not just a case of automated machinery eliminating human jobs; it's not that simply, United Nations reports that 54% of the World population lives in urban areas, and this proportion is expected to increase to 66% by 2050. [...]