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posted by martyb on Wednesday February 13 2019, @08:47PM   Printer-friendly
from the Balconies-and-roofs dept.

Urban farming has grown by more than 30 percent in the United States in the past 30 years. Although it has been estimated that urban agriculture can meet 15 to 20 percent of global food demand, it remains to be seen what level of food self-sufficiency it can realistically ensure for cities.

One recent survey found that 51 countries do not have enough urban area to meet a recommended nutritional target of 300 grams per person per day of fresh vegetables. Moreover, it estimated, urban agriculture would require 30 percent of the total urban area of those countries to meet global demand for vegetables. Land tenure issues and urban sprawl could make it hard to free up this much land for food production.

Is urban farming a pipe dream, or can appropriating vacant lots for traditional farming or employing hydroponics make it work?

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  • (Score: 4, Insightful) by c0lo on Thursday February 14 2019, @02:45AM

    by c0lo (156) Subscriber Badge on Thursday February 14 2019, @02:45AM (#800844) Journal

    So rather than just ship the finished product in from the rural area, they'll ship the compost out of the city, treat it, then ship it back? mmmkay.

    With the note that they don't need to send first any compost out of the city, why not?

    The value-proposition: you can keep the substrate sterile for long time (maybe without refrigeration) and always have your mushroom picked fresh and sold hours in paper bags in custom quantities hours after harvesting. Instead of after at least 3 days of transit through various (refrigerated) warehouses and plastic-wrapping them in predetermined quantities for the shelf.

    If the cost of evacuating the used compost is lower than the price of storage/packing the mushrooms on the way to the shelf, it may even be more economic to do so.

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