NOVELTY - Organic nanofertilizer comprises corncob, Stellera chamaejasme, beer flowers, pepper, Ginkgo biloba seed, fructus cnidii, Melia azedarach, quisqualis fructus, gallnut, radix ilicis pubescentis, matrine, Sapindus testa, ammonium bicarbonate, diammonium phosphate, potassium chloride, zinc sulfate, boric acid, manganese sulfate, medical stone powder, calcium powder, bentonite, thiourea, diatomite, another phosphate rock, sodium humate, organic solvents, silicon hydroxyapatite, wollastonite, and silica material.    USE - The organic nanofertilizer is useful for controlling weed in cereals, fruits, plants and vegetables (claimed).    ADVANTAGE - The organic nanofertilizer exhibits good herbicidal effect, and is easy to produce.    DETAILED DESCRIPTION - Organic nanofertilizer comprises 55-60 pts. wt. of corncob, 1-15 pts. wt. of Stellera chamaejasme, 5-10 pts. wt. of beer flowers, 25-30 pts. wt. of pepper, 25-30 pts. wt. of Ginkgo biloba seed, 26-30 pts. wt. of fructus cnidii, 17-30 pts. wt. of Melia azedarach, 16-25 pts. wt. of quisqualis fructus, 1-15 pts. wt. of gallnut, 5-15 pts. wt. of radix ilicis pubescentis, 5-10 pts. wt. of matrine, 55-60 pts. wt. of Sapindus testa, 35-45 pts. wt. of ammonium bicarbonate, 20-30 pts. wt. of diammonium phosphate, 5-10 pts. wt. of potassium chloride, 1-2 pts. wt. of zinc sulfate, 1-2 pts. wt. of boric acid, 5-10 pts. wt. of manganese sulfate, 25-30 pts. wt. of medical stone powder, 5-10 pts. wt. of calcium powder, 20-25 pts. wt. of bentonite, 5-15 pts. wt. of thiourea, 10-20 pts. wt. of diatomite, 10-20 pts. wt. of another phosphate rock, 5-15 pts. wt. of sodium humate, 10-20 pts. wt. of organic solvents, 25-30 pts. wt. of silicon hydroxyapatite, 10-15 pts. wt. of wollastonite, and 1-3 pts. wt. of silica material. An INDEPENDENT CLAIM is included for preparing the organic nanofertilizer comprising taking corncob, uniformly stirring, performing stacking fermentation at a temperature of 6-60 degrees C for 15-2 days, fermenting the base material until the water content is less than 15%, taking Stellera chamaejasme, beer flowers, pepper, Ginkgo biloba seed, fructus cnidii, Melia azedarach, quisqualis fructus, gallnut, radix ilicis pubescentis, matrine and Sapindus testa and then crushing, adding 70% of ethanol to the mixture, reflowing for two times for 3 hours, combining the extract, drying the extract at 60 degrees C and a pressure of 0.08 Mpa, spray drying to obtain dry extract powder, dispersing the extract in distilled water, adding ammonium carbonate, diammonium phosphate, potassium chloride, potassium sulfate, zinc sulfate, boric acid, manganese sulfate, barley rice powder, bentonite, thiourea, diatomaceous earth and powdered rock phosphate and mixing uniformly, adding silicon hydroxyapatite and silica material to the mixture and stirring at a speed of 2500 revolutions per minute (rpm) to obtain oil-water emulsion formation, reducing the number of revolutions to 1500 rpm, stirring for 25 minutes and adding dilute hydrochloric acid to adjust PH value to 3, raising the temperature to 5-55 degrees C, continuously stirring for 2 hours, and adding sodium hydroxide to adjust pH value to 7.