PROBLEM TO BE SOLVED: To provide a soil improvement material for rice farming enabling uniform dispersion of various kinds of mineral components playing important roles for growth of rice into soil in good balance; and to provide a method for improving soil for rice farming using the material, comprising uniformly dispersing various kinds of mineral components into the soil in good balance. SOLUTION: The soil improvement material for rice farming has such a structure that mineral components adhere to zeolite. The method for improving the soil for rice farming comprises using the soil improvement material for rice farming. COPYRIGHT: (C)2005,JPO&NCIPI