On Sat, 19 Apr 2003 19:23:01 +0100, Oz
wrote:

Hmm, isn't one of the problems with maize that drought during flowering
kills pollination?

I seem to recall that each day of moisture stress around the time of
anthesis causes a 7% drop in yield for maize. So a week's adverse
weather around the time of flowering will cut yeilds about in half.