This book reveals the information about the comparison of inbuilt Antioxidant Potential and of various stress parameters of Barley-the Hardiest Cereal and Oats-the Food of God. Oats is very sensitive to water while barley is hardy. So the status of antioxidants enzymes and non-enzymes in these two crops will definitely helps to understand and the factors responsible to cop up with various stress and ultimately identifying the key factors in climate change will in turn benefits the scenario of modern agriculture and hence improving the scale of crop production.