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The US Government is Loaning Millions of Dollars To Jumpstart Urban Farming (businessinsider.com)
An anonymous reader writes: Every year, the US Department of Agriculture devotes millions of dollars to farmers in rural areas. The government is increasingly starting to offer assistance to urban farms, too. In 2016, the USDA funded a dozen urban farms, the highest number in history, Val Dolicini, the administrator for the USDA Farm Services Agency, tells Business Insider. In 2017, he expects the USDA to funnel even more money toward farms on rooftops, in greenhouses, and in warehouses. USDA Microloans, a program that offers funding up to $50,000, is specifically geared toward urban farmers. Established in 2013, the program has awarded 23,000 loans worth $518 million to farms in California, Connecticut, and Massachusetts. Though it is open to all farmers, urban farmers often apply for it because it offers the money on a smaller scale than other programs. Seventy percent (or about 16,100 of those loans) have gone to new farmers, many of them in cities.
Urban farming is normally called gardening. What are they trying to prove calling it farming?
The entire reason cities exist is because it's wasteful to have people separated by the amount of agricultural land needed to support them. A family of 4 needs about 2 acres (0.8 hectares) of land to grow the food needed to sustain them. Cities leveraged advances in transportation tech and a trade economy to decouple the food production from living spaces. The maximum size of a city is basically determined by the efficiency of the food transport and distribution network - the better those are, the larger the radius of land surrounding the city that can be used to feed its occupants.
Backyard and rooftop gardens are a good (and fun) way to supplement your diet with a few items which might be difficult or expensive to obtain at the grocery store. But they don't come anywhere close to putting a dent in self-sustainability. Given the premium that is placed on space is in cities, there's probably a much better use for that land area than for growing crops. The idea that you can feed yourself by planting a garden in your backyard is a delusion perpetuated by people who've never crunched the actual numbers. The entire reason the unit of an "acre" exists is because that was the amount of crop fields a single person could typically work in a day back when most everyone was living on a subsistence diet.
In other words, even if you had enough land area to actually be able to grow enough in your backyard garden to feed yourself, (1) it would be your full-time job, and (2) you would pretty much be on a starvation-level diet. For all the flak agri-business gets, they've done a remarkable job improving farming efficiency. During pre-industrial times, each farmer grew enough food to feed 1.1 people. Today, a single farmer produces enough food to feed 150 people (2.1 million farmers vs 319 million population).
Some of the things described in TFA are just plain stupid. Growing plants in shipping containers with light from LEDs? So rather than grow the plants on a farm so 100% of the sunlight reaches the plants, you're going to use 16% efficient solar panels to generate electricity to power 10% efficient LEDs so only 1.6% of the sunlight reaches the plants? Are you insane? Cannabis grow labs have to do this to evade law enforcement (in places where it's illegal), but there is no logical reason to do this for food crops.