Hydroponic growing, also called soilless cultivation, is a method of growing plants in which the roots grow and nourish themselves through water, growing on an inert substrate in the absence of common soil. By inert substrate we mean materials devoid of nutrients, the inert substrates most used in hydroponics to propagate the root system and give support to the plants are: expanded clay, rock wool and coconut fibre. Since these substrates are devoid of nutrients, the roots are fed through a nutrient solution, suitably prepared in tubs or containers depending on their size. By means of pumps submerged
Read more »