LIQUID ORGANOMINERAL HUMIC FERTILIZER Russian patent published in 2024 - IPC C05F17/00 C05G1/06 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture and can be used in growing crops. Liquid organomineral humic fertilizer consists of a liquid humic-containing component and a mixture of mineral salts. Humic-containing component used is a humified shives of industrial hemp, which is pre-extracted 2 to 4 times using 0.1M potassium hydroxide solution. Obtained solution is neutralized with mixture of 0.2% solution of succinic acid and 0.2% solution of salicylic acid, taken at ratio of 1:1. Solutions of mineral salts are successively introduced into 1 litre of the obtained extract based on the active substance, g/l of the extract: zinc sulphate 0.5–1.0, cobalt sulphate 0.2–0.4, ammonium molybdate 0.2–0.4, copper sulphate 0.3–0.5, ammonium nitrate 0.3–0.8, potassium nitrate 0.3–1.0, sodium selenite 0.5–1.0, sodium silicate 10–15.

EFFECT: invention provides higher yield of grain, leguminous and other crops in different growing conditions, including in stress conditions.

1 cl, 2 ex