ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,214, issued on July 22.

"Preparation method for artificially simulated soil rich in artificial humus matter" was invented by Fan Yang (Harbin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A preparation method for artificially simulated soil rich in humus, relating to a preparation method for simulated soil. The purpose of the method is to solve the problem that the endurance capacity for an existing organic fertilizer to rainwash is low, thereby influencing the effect of remediation on defective soil by the organic fertilizer. The method comprises: 1, preparing a soil mixture; and 2, placing the soil mixture in a high-temperature high-pressu...