FIELD: agriculture. SUBSTANCE: claimed composition comprises (wt %): 8-40 wood ash and 60-92 hydrolysis liquid, specific ash to hydrolysis lignin ratio is determined by properties of soil and constitutes 92: 8 wt % for alkali soils, 80-88: 12-20 wt % for neutral soils and 60-75:25-40 wt % for acid soils, respectively. EFFECT: improved properties of the fertilizer composition. 2 tbl
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