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Some claimed benefits of using hydroponics for commercial crop production rather than using the soil.

• Crop yields slightly higher - this can be financially significant.

• Faster crop turnaround - increased yield, and cropping can be extended into higher price periods.

• Better vase or shelf life.

• The soil may be poor or unsuitable - cheaper land can be used.

• Water usage can be lower compared with most soil growing.

• Fertilizer usage can be lower.

• Under hot conditions water availability to the plant roots is better so less water stress - better yields and longer plant life.

• Crops vulnerable to soil diseases - losses can be reduced or eliminated.

• Some crops ( lettuces, strawberries ) can be lifted from ground level to a better height for planting, cultivation and harvesting. - Better working conditions and lower labour costs.

• Some systems require less work with setting up and planting than growing in soil.

• Weeds can be reduced or eliminated.