On July 18, released by the Chinese association of agricultural materials circulation urea wholesale price index (CNPI) was 1385.66 points, from rose 4.25 points, or 0.31%; Fell 414.28 points, or 23.02%. Urea retail price index (CNRI) was 1436.62 points, fell 3.12 points, or 0.22%. Fell 441.46 points, or 23.51%. Diammonium wholesale price index (CPPI) was 2572.00 points, fell 1.04 points, or 0.04%. Fell 351.26 points, or 12.02%. Diammonium retail price index (CPRI) was 2809.65 points, from rose 1.70 points, or 0.06%. Potassium chloride (CKPI) as the wholesale price index 1933.97 points, fell 0.85 points, or 0.04%; Fell 105.65 points, or 5.18%. Compound fertilizer retail price index (CCRI) was 2293.06 points, fell 3.73 points, or 0.16%. Fertilizer wholesale price index (CFCI) was 1696.16 points, from rose 2.55 points, or 0.15%; Fell 365.20 points, or 17.72%.