Water is necessary when it comes to agriculture. Just ask anyone on the Mekong River to leave China, the water does not flow for most of the year, or there is no water at all. Why? Well, through the problems, plus, China has put tons of hydroelectric dams on the upper river. This is a big problem, not just for those who live by the river to fish and need water for irrigation, but also for drinking. Now they have to dig wells, which is good for some time.
This only undermines the future of agriculture around the world. And just because we live in abundance in the US does not mean that we are not without risk. In fact, the Ogallal aquifer is caused by discharges for agriculture and city water to the extent that it could be dried in the past. In some areas, it already has, for example along the WY – Nebraska boundary.
What is the solution? Some believe that no-till agriculture is a solution or at least one of the solutions. By using these methods, more than half of the water can be used, sometimes up to 75% or more. No, it's not the answer at all, but it's definitely part of the solution. Not long ago I talked to the acquaintance about this and asked if I had heard of "No Till Farming", I really did.
"Yes, I've been watching special Discovery Channel shows about non-breeding in the US, Africa, India, Australia and Southeast Asia, where the lack of groundwater has reached the super-drought, although it makes sense all the time in many places." One of the newsletters I'm downloading is "TX H20" and is included in Baylor College and other universities that work on these studies, are really advanced for West Texas, KS, West Nebraska, southeast WY, Oklahoma (remember the dust container).
They had a great success that drastically reduces water needs, maintaining moisture in the soil, you're right, it works! If you have a home garden, it's a wise idea to do it in your garden. My acquaintance also pointed to the problem of compaction of soil, which is another important thing.
In the future, we will have to do more and keep increasing yields, and we will have to achieve this lofty goal using even less water. This means the planting of especially genetically modified crops that use less water and change the way we treat it. In fact, I hope you will explore this and learn about this important issue.