大英县2025年大春收购粮食质量监测报告

Group 1: Rice Quality Assessment - The average brown rice yield rate is 75.8%, a decrease of 1.9 percentage points from the previous year, with a range of 65.4% to 82.1%, and 75.0% of the samples are classified as medium or above (third grade, yield rate ≥ 75.0%) [2] - The average whole milled rice rate is 49.2%, an increase of 6.9 percentage points from the previous year, with a range of 25.6% to 68.0%, and the proportions of grades one to five are 29.5%, 16.4%, 32.8%, 9.8%, and 3.3% respectively, with 78.7% classified as medium or above (third grade, whole milled rice rate ≥ 44.0%) [2] - The average moisture content is 12.5%, with a range of 11.5% to 13.5%, and 100% of the samples meet the standard requirement (≤ 13.5%) [3] Group 2: Corn Quality Assessment - The average bulk density is 701 g/L, unchanged from the previous year, with a range of 631 g/L to 748 g/L, and the proportions of grades one to five are 20%, 41.7%, 31.7%, 5%, and 0% respectively, with 93.4% classified as medium or above [7] - The average total amount of defective grains is 3.0%, a decrease of 1.1 percentage points from the previous year, with a range of 0.0% to 7%, primarily due to broken grains [8] - The average moisture content is 13%, with a range of 10.9% to 14%, and 100% of the samples meet the standard requirement (≤ 14.0%) [9]