In fact, starting with the soil is at the heart of organic. Organic production is about the interconnectivity of vital living ecosystems – it is a regenerative form of agriculture that both takes from and gives back to the soil. But the Soil Association thinks this would take organic in the wrong direction, and is calling for the international organic movement to prohibit hydroponics in organic agriculture. Given its apparent eco-credentials, there have been strong calls for hydroponics to be accepted under organic standards. In theory, hydroponic production can be carried out anywhere, including vertically to save space, and in the middle of cities to eliminate food miles. Plant nutrition is provided under tightly controlled conditions via carefully optimised nutrient solutions, which lead to drastic reductions in the amount of energy required to grow plants, and minimal losses of nutrients and waste.
It involves the growing of plants in artificial closed systems without soil. Hydroponics is one such innovation that has garnered a lot of interest in recent years.
Innovations in agriculture, especially those that sound particularly techy, often attract attention, financial investment and political soundbites.
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