FIELD: agriculture, in particular method useful in reprocessing of bird dung and oil cake after extraction liquorice roots to produce granulated organomineral dressing.
SUBSTANCE: claimed method includes dilution of raw dung up to moisture not less than 94 % and subsequent mechanical filtration. Dilution is carried out with brine of natural sulfate-type mineral bischofite of formula MgCl2-6H2O of density 1.1-1.5 t/m3 for 3-6 min. Bischofite consumption is 30-70 mass % as dry dump matter. As a binder oil cake from Redices Glycyrrhizae and Glycyrrhiza uralensis roots and rootstocks in added to produce dry and cloggy extracts of mass 200-500 kg calculated as ton of raw material.
EFFECT: dressing of improved value; increased productivity of agricultural cultures.
7 tbl
