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It uses approximately 10% of the land area and 5% of the water volume required by conventional vegetable crops.
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Due to less water and land use, aquaponics is perfect for highly efficient use of existing space or for special applications like intensive urban gardening.
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Crop production time can be accelerated. For example, butterhead lettuce varieties can be produced in about 30 days, instead of the typical 60-day growing period needed for conventional production.
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Production can occur year-round under a greenhouse or in a temperature-controlled enclosure. This allows producers to market fresh produce during seasons when trucked-in produce is at their highest seasonal prices.
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Aquaponics is an adaptable process that allows for a diversification of income streams. High-value herbs, vegetables, and leafy greens, as well as fish, crayfish, worms, mushrooms, and a number of other crops may be produced, depending upon local market interest and the interests of the grower.
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These systems allow agriculture to take large innovative steps toward environmental sustainability. Because these are mostly-closed-loop systems, nutrient effluent leaving the facility is virtually nonexistent. Additionally, fish, plant, and other waste solids may be captured and converted into value-added fertilizer products for wholesale or retail sale.
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Growers can start small, with minimal investment, perhaps using scrounged materials to see if the venture is “right for me,” then scale-up as markets and expertise develops.