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Abstract

Hydroponics is a method of growing plants without using soil (i.e. soil less). This technique instead uses a mineral nutrient solution in a water solvent, allowing the nutrient uptake process to be more efficient than using soil.With the advent of civilization, open field soil-based agriculture is facing some major challenges i.e. most importantly decrease in per capita land availability, soil fertility declining, and productivity is not increasing. Further with increased level of fertilizer application, poor soil fertility in some of the cultivable areas, less chance of, frequent drought conditions and unpredictability of climate and weather patterns, river pollution, rise in temperature,  poor water management, decline in ground water level and wastage of huge amount of water etc. are threatening food production under conventional soil-based agriculture.Naturally, soil-less culture is becoming more relevant in the present scenario, to cope-up with these challenges.

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