Substrate Culture The root of the crop is fixed to an organic or inorganic matrix in,Website: , by drip irrigation or trickle irrigation methods, crop nutrient solution supply. Growing media can be loaded into a plastic bag, or in the ditch or tank cultivation. Cultivated in nutrient solution matrix is a not circulating, called open system, this prevents the nutrient solution circulating through the disease spread.Substrate cultivation buffering capacity, water conflicts, between nutrients and for O2 does not exist. Equipment is simple, low cost, high harvest, widely used in production.Substrate Culture cucumber.