Ke aʻo nei nā kānaka ʻepekema o ka Ural State Agrarian University i ka hopena o ka diatomite i ka ʻuala a me ke kāpeti.
Diatomite - nā waihona siliceous wehe a i ʻole cemented, pōhaku sedimentary o ke keʻokeʻo, ʻeleʻele hina a melemele paha, ʻo ia ka ...
