Hydroponic Systems










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Why Hydroponic System For Urban Agriculture

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Rooftop hydroponic systems in cities produce vegetables that are cheaper and healthier than rural farms   Putting roots down on rooftops. On a 1,600-square-foot-rooftop in Guangzhou, China, 14 hydroponic tanks produce hundreds of pounds of vegetables a year, with a potential profit of over $6,000 annually—almost twice the  2015 annual minimum wage in the city , which has one of the highest monthly minimum wages in the country. The hydroponic tanks are part of  study  that shows residents and developers in Guangzhou that their rooftop space might be worth some green. A paper published this past July the journal  Agronomy for Sustainable Development  reports that growing leafy greens in rooftop hydroponic systems can not only produce a steady supply of vegetables—it can also be cheaper than buying store-bought alternatives. It’s one of the first studies outlining a comprehensive business model for hydroponic rooftop farming, a method croppi...
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Can we feed 10 billion people on organic farming alone?

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Organic farming creates more profit and yields healthier produce. It’s time it played the role it deserves in feeding a rapidly growing world population. In  1971, then US Secretary of Agriculture Earl Butz uttered these unsympathetic words: “Before we go back to organic agriculture in this country, somebody must decide which 50 million Americans we are going to let starve or go hungry.” Since then, critics have continued to argue that  organic agriculture is inefficient , requiring more land than conventional agriculture to yield the same amount of food. Proponents have countered that increasing research could reduce the yield gap, and organic agriculture generates environmental, health and socioeconomic benefits that can’t be found with conventional farming. Organic agriculture occupies only 1% of global agricultural land, making it a relatively untapped resource for one of the greatest challenges facing humanity: producing enough food for a population that could reach...
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The Future of Agriculture

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Surplus and Scarcity The planet is growing  more food than ever , and yet  millions of people  continue to starve worldwide. People are hungry everywhere  — in the country, in the suburbs. But increasingly, one of the front lines in the war against hunger is in cities. As  urban populations grow , more people find themselves in food deserts, areas with “[l]imited access to supermarkets, supercenters, grocery stores, or other sources of healthy and affordable food,”  according to a report  by the  U.S. Department of Agriculture. New technologies are changing the equation, allowing people to grow food in places where it was previously difficult or impossible, and in quantities akin to traditional farms. Farming at New Heights Urban farms can be as simple as traditional small outdoor community gardens, or as complex as indoor vertical farms in which farmers think about growing space in three-dimensional terms. These complex, futuristi...
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