Vertical Farming Case Study

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Solvable problem in the form of a question: In a world with an exponentially growing population, how can engineering help the agricultural industry grow more food using fewer resources?

Vertical Farming: Food for the Future

Technology has increased the carrying capacity and life expectancy of the human species, and new technologies will be required to reliably sustain this increase in population. The United Nations predicts that the world population will reach 9.8 people by 2050, and much of the increase in population will be attributable to countries that struggle to feed their current population (“World Population to Reach 9.8 Billion”). Furthermore, 54% of the world’s population lives in cities and this is expected to increase to 66% by …show more content…

Specialized LEDs emit light that increases the rate at which plants grow and hydroponic technology allows the plants to absorb water rich in nutrients without using soil. By maximizing the available space and using technologies to better cultivate plant growth, vertical farms increase plant capacity, yield, and resource efficiency. Mirai is a vertical farm system in Japan known for its size and crop yield. According to Gloria Dickie of National Geographic, Mirai is able to produce 10,000 heads of lettuce per day, eliminate food waste by 30-40%, considerably decrease dependence on vegetable imports, and use “less than one percent of the water commonly used to grow vegetables” (Dickie). Current vertical farm systems use these technologies to grow “leafy” plants, such as lettuce, spinach, and parsley, due to the fast rate at which they grow, but the variety of crops they support is expected to …show more content…

One commonly theorized application of vertical farms is to employ them on city rooftops. Furthermore, vertical farm systems can mimic the climate of any environment, eliminating the seasonality of crops and better catering to individual needs. According to Tamar Haspel of The Washington Post, “if you stack plants 10 or 100 high, that acre can do the work of 10 or 100 farmed acres. On top of that, the plants grow faster: You’re not limited to the hours of daily light the sun delivers, so you get even more lettuce per square foot,” suggesting that vertical farms can produce several times more crops as a traditional farm provided the same resources (Haspel). Vertical farm systems are also not susceptible to drought or flood. For these reasons, vertical farm systems can offer independence and stability to people and countries that require a steady, reliable source of food: a problem that many countries struggle with even at the world’s current population. Vertical farm systems in developing countries can simultaneously feed the population and encourage economic growth as people gain this

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