A novel technique to retain more water in soil, use less water and enhance plant growth!!

At a Global scale, we are growing as much grain as possible to feed world population and domestic animals. As the world population grows in the coming decades, we may not have enough grain to feed the world population. The limiting factors are land suitable for cultivation or farming, environmental conditions and water available for plant growth/farming. Thus, the goal should be how much grain, e.g. corn or wheat we can grow per gallon of available water? If we focus on available water for agriculture, then evaporation loss from soil is the major mechanism for the loss of water.