substratum studied on purpose according to the specific needs of those plants which don't tolerate calcareous soils like azaleas, rhododendrons, camellias, ferns, blue hydrangeas, gardenias, lilies, conifers etc. Such plants in fact have a preference for soils which are acid, loose, well drained and rich in micronutrients. The product can be used both for repottings and for planting out acidophil plants in gardens.