keep in mind Cargill did just the opposite, they bought in the futures market, and when they take delivery, they sell their long contracts, so there are always plenty of buyers and sellers. (not to mention all us little guys that are trying to get flat.)Quote from oldtime:
at harvest time he has real wheat which he sells in the cash market, then he buys back his short futures contracts, but if there was nobody to buy from, he could just deliver his real wheat to satisfy his obligation, because when he sold the futures and when you do too, you are promising to deliver.