Dehydrated remains of acid hog plants, has three genera, grows naturally in damp humid forest lands, relatively sterile, light in weight, has a very high water holding capacity, absorbs and holds water 20 times to its weight
Vermiculite
Micaceous or crumb mineral which expands significantly when heated, chemically hydrated magnesium, aluminum, iron, silicate, when expanded very light in weight, neutral in reaction, has good buffering properties, insoluble in water
Perlite
Gray white material having volcanic origin, neutral, no buffering reaction, contains no mineral nutrients
Leaf Mold
Prepared by using fallen leaves of various tree species, decomposed by stacking leaves with a thin layer of soil and cow or chicken dung, live culture of decomposing organisms added to hasten decomposition, ready for use after 12 to 18 months
Saw Dust
By-product or waste material from saw mills, quantity and quality depend on the parent wood material, some wood shavings contain resin which is not good for use as rooting media
Grain Husk
Several types available, paddy husk is one of the important wastage from rice mills, light in weight, cheaply available, suitable for mixing with other types of media
Coco Peat
Used as media, a mixture of few media is always preferred and used in commercial nurseries, soil is one of the main parts for mixtures, media must be selected on the basis of availability, cost, ease in handling