METHOD FOR PREPARING ORGANIC FERTILIZER Russian patent published in 2004 - IPC

FIELD: agriculture, fertilizers.

SUBSTANCE: invention relates to producing composts based on semi-liquid manure. Method for preparing fertilizer is carried out composting semi-liquid manure and turf. Before composting the preliminary prepared organic substrate is added to mixture of components taken in the ratio 10-20 weight p. p. per 100 weight p. p. of mixture. Substrate represents a mixture of organic materials containing lignin chemically bound with cellulose, humic substances and microbiological addition taken in the mass ratio = (1-7):(2-14):(0.5-1.0), respectively, as measure for dry matter. The proposed method provides reducing loss of total nitrogen and organic substance due to sorption of nitrogen with organic substrate being independently of the process duration.

EFFECT: improved preparing method.

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