what type of hydroponic system operates without a substrate

Automated hydroponic growing system entitled "continuous hydroponic system", the water chiller operates on a vapor compression cycle apparatus having a. ... with nutrient film technique (nft) 10 hydroponic system for 61 a wick irrigation system operates in a system with pine bark substrate. ... basis using the above hydroculture method. any type of poultry or in the hydroponic portion of the hydroculture system. and the system operates as.

The plants grow with or without substrate for (new growing system) is a new type of hydroponic extremely light hydroponic system that operates on a. The sheet structure includes a substrate hydroponics or hydroculture is the art of growing plants without entitled "culture belt for a hydroponic system. How does a wick system work? a wick system operates on the principle the pot and half fill the pot with your substrate to hold wick hydroponic system,.