Aggregate Culture.

This method is often referred to as "sand culture" or "gravel culture." Aggregates are used much as soil is used in conventional plantings - to provide anchorage and support for the plants.




The aggregate in the tank or container is flooded with a nutrient solution as required. The advantages of this system of hydroponics over the water-culture method are lack of trouble in aerating the roots, ease of transplanting seedlings into the gravel or other aggregate medium, and less expense.

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