http://www.kwoff.com/story.php?title=balancing-frost-risk-yield-reward-%7C-agriculture-and-farming-news-for-rural-australia-%7C-the-farm-trader The fine balance between sowing winter crops early to maximise yield and avoiding frost damage at flowering remains a delicate one for northern region grain growers. Mon, 09 May 2011 02:12:27 EST en