LIQUID HUMIC FERTILIZER AND METHOD FOR ITS OBTAINING Russian patent published in 2002 - IPC

FIELD: agriculture. SUBSTANCE: the suggested fertilizer could be used in production of ecologically pure complex peat- and humus-based fertilizers which contain microelements regarding soil types and cultures' peculiarities. The fertilizer contains, at least, nitrogen (NO₃) not less than 0.002%, potassium (K₂O) not above 0.4%, phosphorus (P₂O₅) not less than 0.03%, humic acids 0.15-0.5%. Also, the fertilizer in question contains microelements of plants' nutrition, copper and/or boron among them, and additional substances - elements of plants' mineral nutrition, zinc or magnesium among them, and water. As additional substances the fertilizer contains, at least, molybdenum and/or cobalt or selenium and/or silicon oxide. EFFECT: decreased cost of the fertilizer due to shortened terms of its preparation, increased assortment due to soil types and cultures' peculiarities. 16 cl, 1 dwg, 2 tbl, 1 ex _