FIELD: agriculture. SUBSTANCE: claimed invention describes process for preparation of granular fertilizers which comprises treating dust-like fractions and subsequently pressing them together with larger size ones. The binder is sodium metasilicate, and dust-like fraction is moistened to 2.0-8.0 wt% with aqueous binder solution having temperature of 50-100 C. EFFECT: more efficient preparation process. 2 cl, 1 tbl
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Authors
Dates
1997-07-10—Published
1995-04-19—Filed