Patent ID: 8702833

Claim:
A soil, comprising, per 100 g of the soil, 0.02 to 50 mg of amino acid nitrogen, denoted by “A-N”, 0.02 to 70 mg of a nitrogen content in one chemical form different from the amino acid form, denoted by “N-N”, 2 to 400 mg of phosphate in available form, 1 to 300 mg of exchangeable potassium, 50 to 1000 mg of exchangeable lime, 5 to 400 mg of exchangeable magnesia, 0.5 to 70 ppm of available manganese, 1.5 to 300 ppm of available iron, 0.1 to 30 ppm of available copper, 1.5 to 80 ppm of available zinc, 0.5 to 30 ppm of boron, 0.002 to 2 ppm of molybdenum, and 1.0 to 9.0% of humus, and wherein the soil has an absorbance index of phosphate of 40 to 3000 mg, a capacity of base substitution of 5 to 40 CEC, an acidity of 3.2 to 7.5 in pH, and an electric conductivity of 0.02 to 5, denoted by “mS/cm”.