METHOD FOR CULTIVATING DAMAGED SOILS Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: method involves smoothing out and levelling ground damaged due to mining works done, removing stones. Mixture having coal waste materials, wooden saw dust and seeds is prepared on a separate site. The seeds are preliminarily wetted in humic acids preparation inoculated with Azotobacter chroococcum strain K-1 Num. 34. The prepared mixture is stirred and spread over the surface of the damaged ground with its following harrowing. EFFECT: improved agrochemical and biological properties of soil. 2 cl, 1 tbl