Varietal Purity (% by weight) Minimum. 98% minMoisture (%) Maximum 12%Oats are a widely grown and highly adaptable winter cereal crop. They are sown for three main uses: milling oats for human consumption, grain for stockfeed, and production of fodder and forageOats high quality forage is more palatable than rye or wheat. Also, oat is less prone to insect problems than either wheat or barley.