Water

Confessions of a Steward with Joel Salatin

 

Water is the prerequisite to life. Some living things don’t need sunlight, some don’t even need soil, but all living things need water. Certainly, when we think about water, the first source that comes to mind is rain. But rain is not consistent, and most plants need water routinely. Indeed, some plants need more water than others, but scarcity is often the limiting factor in farm and garden production.

As inconsistent as rain may be, global agricultural soil depletion in both quantity and quality has created a consistent loss, called surface runoff. Even the driest places on the planet have occasional downpours that, if left long enough, create floods. Most of us have lived through a few floods in our lifetime.

By definition, a flood is caused by too much surface runoff. In perfect conditions, raindrops fall on the earth and percolate into the soil. But if they fall faster than the soil can absorb them or in more volume than the soil can hold, they go somewhere besides down into the soil. That somewhere is running across the top of the soil. Due to soil degradation, primarily through mining out organic matter with tillage, chemicals, and overgrazing, the soils on the planet are not nearly as absorptive as they were centuries ago. 

In fact, the rule of thumb today is that a third of all raindrops that fall on the earth cannot find a home where they fall. The soil either can’t absorb them fast enough, or the soil can’t hold any more. So whether the area is Nevada or Pennsylvania, one-third of the rain that falls becomes surface runoff. That is a big deal because it adds up fast.

One acre-inch of water­—the amount of water that covers one acre one inch deep—is almost 30,000 gallons. Most non-irrigated agriculturally productive areas of the U.S. receive at least 30 inches of rainfall a year. Lancaster County, PA, receives a bit more than 50. Virtually everywhere east of the Mississippi receives more than 30 inches of rainfall a year. Applying our one-third rule, that means all of these acres lose 10 acre-inches of water a year.

 

water spilling out of a plastic irrigation pipe

 

Ten acre-inches of water is nearly 300,000 gallons per acre. That means if you have a 50-acre farm, chances are you’re losing 15,000,000 (that’s 15 million) gallons of water per year. If you have a small place, maybe 5 acres, you’re losing 1.5 million gallons a year; still no small amount. P.A. Yeomans wrote the iconic book Water for Every Farm back in the 1950s and challenged farmers and ranchers worldwide with two goals. First, we should aspire to never lose a drop of rain to surface runoff. Second, we should never end a drought with a full pond.

Water is perhaps the most visible and practical application of the notion that we, as caretakers of the earth, should build forgiveness into the landscape. Floods and droughts have been a part of the earth since the dawn of creation. Nobody will design a food or fiber production system immune to natural water events. As stewards, then, one of our objectives should be to extend forgiveness into the landscape like it’s been extended in our hearts. We need forgiveness for the sins of life like the landscape needs forgiveness for the storms of nature.

Most farmers talk about water like it’s some sort of esoteric thing over which they have no control. But water is highly tangible, measurable, and controllable. A key permaculture concept is that all raindrops should be held as close to where they fall for as long as possible. That means raindrops that fall on a ridge should be held on a ridge. Raindrops that fall on a hill should be held on a hill, or as close to it as possible. In general, our holding capacity should be as high on the landscape as possible.

The higher our water storage is on the terrain, the more options we have to use those gallons on their gravitational journey downhill. Some people think landscaped ponds or even water barrels are akin to selfishness or hoarding, depriving people downstream of water that’s rightfully theirs. But Yeomans argued that surface runoff, by definition, means that the commons is full. The commons is shared water that you can’t create. Aquifers, springs, and streams are all part of the commons. 

One of my benchmarks of truth is that if everyone can’t do it, then it’s probably not a good practice. In this instance, if everyone puts a straw in a river or an aquifer and starts sucking out water, at some point, you don’t have an aquifer or river. The Colorado River is a prime example of a river that is virtually depleted by the time it gets to the ocean. Everyone wants a piece of it; that’s depleting the commons…

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Joel Salatin co-owns, with his family, Polyface Farm in Swoope, Virginia. Four generations of his family currently live and work on the farm, and his farm services more than 5,000 families, 50 restaurants, 10 retail outlets, and a farmers’ market with salad bar beef, pigaerator pork, pastured poultry, and forestry products. When he’s not on the road speaking, he’s at home on the farm, keeping the callouses on his hands and dirt under his fingernails, mentoring young people, inspiring visitors, and promoting local, regenerative food and farming systems. Salatin has published 15 books, and he is the editor of The Stockman Grass Farmer, granddaddy catalyst for the grass farming movement. He passionately defends small farms, local food systems, and the right to opt out of the conventional food paradigm.

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