Preservation and Storage Without Fossil Energy

The harvest arrives in a few weeks. The need to eat arrives every day. A farm that cannot carry October into April eats well for two months and then buys food like everyone else. Every method in this lesson exists to close that gap, and every method has a running cost you can count before you commit to it.

The modern gap-closers are a freezer, a pressure canner, and an electric dehydrator. Each one works, and each one depends on energy the farm does not control. The pre-industrial gap-closers are earth, salt, smoke, sun, and time. They are slower, and they fail in different ways. They keep working when the grid stops.

What each method costs to run

The farm keeps six preservation guides and a fermentation guide, and they are the procedures for every method below: canning, drying, freezing, root cellaring, seed saving, smoking and curing, and the whole fermentation in buckets set. Read them for the how. This lesson is about the honest price of each method in energy and attention, because that is what decides which ones belong on a farm that plans to run without a fuel bill it cannot pay. The preservation hub lists all of them.

• Root cellaring. No fuel. Below the frost line, at three to four feet, ground temperature holds near 50 to 55 degrees Fahrenheit year round, and a well built cellar keeps roots and cabbage for three to eight months. The cost is the digging, the drainage, and a monthly walk to pull rot before it spreads.
• Drying. Sun and air dry cost nothing but weather. An oven run for eight to twelve hours costs roughly three to fifteen dollars a batch in electricity, by the farm's own guide. The sun method is free and unreliable; the oven method is reliable and metered.
• Fermentation. Salt and a five-gallon bucket. No energy input at all. The salt is weighed, not guessed, at two percent of the prepared vegetable by weight for sauerkraut. It is the cheapest method per pound and the one that needs the least equipment.
• Canning. Fuel to boil, plus jars and lids that are partly consumable. A pressure canner and jars run 250 to 500 dollars to start, and the lids are a recurring purchase. It is the only method whose shelf life depends on a manufactured part.
• Smoking and curing. Wood, salt, and time. No grid. The failure modes are temperature control and the curing salt, not the weather.
• Freezing. The only method that stops the moment the power does. A freezer full of meat is a store that melts in a two-day outage. It is the least resilient method on the list and the one most households reach for first.

The staple that carries the year

Grain, beans, and oil are the store that keeps a family through the bad year, not the vegetables. The farm's own store chapter sets the goal at two years of grain, beans, and oil laid by, dry and cool and clean, because dry staples keep for a decade and fresh food does not.

Grain storage is a discipline of three conditions. Dry, so mold and weevil cannot start. Cool, because every degree of heat you keep out is a degree of life you keep in the grain. Clean and defended, because the rat and the weevil have not changed their methods in two thousand years.

Seed is not surplus

Seed comes out of the harvest before food does. The engine's crop data carries a seed reserve on every crop, six percent of the harvest for wheat and barley, ten percent for beans, twelve for potatoes, and that fraction is subtracted from what you eat. The reserve is the one part of the store that is never spent in a bad year, because spending it buys one winter and loses every winter after.

First in, first out

A store is a discipline as much as a room. You rotate, always, oldest grain eaten first and newest laid behind it, or the store slowly becomes a museum of what you should have eaten. You check the store monthly, and you spend it on schedule rather than on a whim. A family that dips into its two-year grain because the market had a good week has thrown away the reason the store exists.