We have had two successive days of `limit up’ on Chicago wheat, as it heads towards the $10/bushel.

Soya has also lifted, and is set to challenge the previous highs set in 1973

This short article from the FT

http://www.ft.com/cms/s/0/71243198-ba26-11dc-abcb-0000779fd2ac.html?nclick_check=1

is worth a few moments.