1. http://southeastfarmpress.com

Another good website about agriculture business.  Quickly responds to the new information. Sometime, offer different opinion than Agrimoney.com and Bloomberg.  However, this website also have some drawbacks.  One of them is mainly focus on US Southeast agriculture business.

2.http://www.indexmundi.com/agriculture/?country=cn&commodity=wheat&graph=production

Perfect website offer a lot of data of agriculture and commodity in different country. The chart there is very clear and easy to access.