... , especially in Japan, Western Europe like Italy, Holland, and North America.1.Material: clay, organic mineral2.Specification: from ... minerals into 200mesh fineness modulus, shaped into balls, and then fired under high temperature about 850 centigrade degree9. ... needed by plants inside them. 10. Application: greens, melon and fruits, arbors, shrubs, roof garden plants, water plants, potted flower ...