... Italy, Holland, and North America.1.Material: clay, organic mineral2.Specification: from 2mm to 10mm all available3.Unit ... zinc (Zn),copper (Cu),molybdenum8.Craft work: smash the organic minerals into 200mesh fineness modulus, shaped into balls, and ... , melon and fruits, arbors, shrubs, roof garden plants, water plants, potted flower plants, aquarium breeding 11. Advantages: lighter than ordinary soils ...