In 21st-century production, which method uses a nutrient solution without soil?

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Multiple Choice

In 21st-century production, which method uses a nutrient solution without soil?

Explanation:
The idea being tested is growing plants with nutrients delivered in water rather than through soil. Hydroponics feeds plant roots with a nutrient-rich solution, either directly in water or with an inert support medium to hold the plant in place. This setup lets you precisely control what the roots receive, often boosting growth rate and yield while using water more efficiently. In contrast, soil-based growing relies on nutrients from the soil, and purely air-based approaches don’t provide the nutrient balance plants need unless supplemented in a separate system. So the method that uses a nutrient solution without soil is hydroponics.

The idea being tested is growing plants with nutrients delivered in water rather than through soil. Hydroponics feeds plant roots with a nutrient-rich solution, either directly in water or with an inert support medium to hold the plant in place. This setup lets you precisely control what the roots receive, often boosting growth rate and yield while using water more efficiently. In contrast, soil-based growing relies on nutrients from the soil, and purely air-based approaches don’t provide the nutrient balance plants need unless supplemented in a separate system. So the method that uses a nutrient solution without soil is hydroponics.

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