China is now the world’s leading producer of wheat. India is number two. The United States is third. In contrast to the United States, most wheat grown in China and India is irrigated.
For rice, these two countries totally dominate the world harvest.
Stocks to use ratio
IPCC 2007
power point 2012 Food security Lester Brown
Short PDF presentation
The 11,000 year period of relative climate stability in which agriculture developed is over. Lester Brown