Study climate change accounts for only 13 of crop yield
Jan 22 2015· Irrigated land has plateaued and some is being poisoned by salt buildup a loss of now up to 5year depending on where worse in northern India Arable land has plateaued and has declined by half per capita since 1960 to levels 016 hectareperson below what FAO says 021 hectare per person are the minimums to produce a healthy diet