There's this ICO going on for an Australian company called BlockGrain.io  They’re aiming to automate the supply chain with Grain and later on Fruit/Vegetables/Wool. The sale has started.
BlockGrain.io bounty thread worth a look https://blockgrain.typeform.com/to/CLUlBw
Check out this aswell:
http://m.startribune.com/as-farmers-store-and-sell-more-crops-themselves-here-s-how-cargill-stays-in-the-middle-of-the-grain-trade/483075271/