abstract |
The present invention relates to glycerol produced as a by-product of biodiesel productionnof soil improvers. Soil improversnaqueous glycerol solution and / or aqueous boric acid glycerol solution and / or zinc glycerolatenand / or ferric glycerolate and / or manganese glycerolate.nThe compositions of the invention are suitable for soil chemicalnsuch as pH, Na + - Ca5 + ion balance and water retentionnability to control, at the same time, the trace element compositionnControl of. |