截至12月23日，阿根廷全国玉米总播种进度已完成81%，略落后于去年同期的82%。 美国玉米主产州未来6-10日50%地区有较高的把握认为气温将低于正常水平，50%地区有较高的把握认 为降水量将接近正常水平。 12月25日，星期四，晚籼稻期货主力合约一动不动，截止发稿，晚籼稻主力报2535.00元/吨。 市场资讯： 一机构发布的大宗商品研究报告显示，阿根廷2025/26年度玉米产量预计为5410万吨，较前一次预估下 调1%，预估区间介于4680-5990万吨，因潘帕斯草原地区存在干旱风险。 ...

Group 1 - The main contract for late indica rice futures remains unchanged at 2535.00 yuan/ton as of the report date [1] Group 2 - According to Sovecon, Russia's grain export volume in August is expected to reach 4.7 million tons, an increase from 2.9 million tons in July [2] - As of August 23, Brazil's second corn harvest rate is 94.8%, up from 89.3% the previous week, but down from 97.9% year-on-year and slightly above the five-year average of 92.6% [2] - In August 2025, Brazil has shipped a total of 4.9604 million tons of corn, compared to 6.0632 million tons in August of the previous year, with an average daily shipment of 310,000 tons, which is a 12.49% increase from last August's 275,600 tons [2] - The USDA's weekly crop progress report indicates that as of August 24, the good-to-excellent rating for U.S. corn is 71%, above the market expectation of 70%, unchanged from the previous week, and up from 65% year-on-year [2] - The maturity rate of U.S. corn is at 7%, compared to 3% the previous week and 10% year-on-year, aligning with the five-year average of 7% [2] - The wax maturity rate is reported at 83%, up from 72% the previous week and matching last year's figure, but slightly below the five-year average of 84% [2] - The dent rate stands at 44%, an increase from 27% the previous week, consistent with last year's figure and the five-year average [2]