75775464
Sep 9, 1999
NON-EXPANDING, WATER RETENTION MATERIAL DERIVED FROM A NATURAL LAKEBED MUDSTONE DEPOSIT IN LONG VALLEY, LESSEN COUNTY, CALIFORNIA, CONSISTING OF AMORPHOUS, NON-CRYSTALLINE, ALUMINO-SILICA MINERALS, DIATOMS, AND MINOR METAL (FE, MN, CA, NA, NG, TI, AND K) OXIDES, FOR USE AS A SOIL AMENDMENT IN SANDY SOILS AND ARID CLIMATES
Chemicals