NOVELTY - Organic fertilizer comprises (in parts weight): waste organic matter (44-54), potassium chloride (10-15), humic acid (10-15), secondary micronutrients (0.4-0.6), microorganisms (0.4-0.6), carbamide (5-10), ammonium nitrate (10-15) and ammonium chloride (5-10). The waste organic matter includes ripe chaff, oil cakes, crop straws, Chinese herbal medicinal residues, bamboo-wood fiber, home scraps of village and other plant wastes. The secondary micronutrients include calcium, magnesium, iron, nickel, zinc, boron, manganese, copper, chlorine and molybdenum.    USE - The organic fertilizer is useful for crops in soil.    ADVANTAGE - The organic fertilizer is rich in ammonium, improves soil fertility and quality of agricultural products, enhances pest-resistance and drought-resistance of plants, inhibits absorption of harmful substances including heavy metal and pesticide of crops, and purifies and remediates soil.    DETAILED DESCRIPTION - Organic fertilizer comprises (in parts weight): waste organic matter (44-54), potassium chloride (10-15), humic acid (10-15), secondary micronutrients (0.4-0.6), microorganisms (0.4-0.6), carbamide (5-10), ammonium nitrate (10-15) and ammonium chloride (5-10). The waste organic matter includes ripe chaff, oil cakes, crop straws, Chinese herbal medicinal residues, bamboo-wood fiber, home scraps of village and other plant wastes. The secondary micronutrients include calcium, magnesium, iron, nickel, zinc, boron, manganese, copper, chlorine and molybdenum. The microorganism includes nitrogen-fixing bacteria, phosphorus releasing microbe, potassium releasing microbe, Bacillus, Actinomycetes 5406 and Saccharomyces. An INDEPENDENT CLAIM is included for method of preparing the organic fertilizer, which involves culturing microorganisms in test tube culture and fermentation culture, crushing and screening waste organic matter until the grain diameter reaches size of 0.18 mm, granulating the organic matter waste, potassium chloride, humic acid, secondary micronutrients, microorganisms, carbamide, ammonium nitrate and ammonium chloride to obtain fertilizer.