供需宽松，9月上旬东北市场玉米价格或仍以下行为主

Group 1 - The core viewpoint indicates that the supply of corn in Northeast China is slightly loose due to continuous replenishment of rotation grain and active outflow from traders, while demand remains at a seasonal low, leading to a gradual decline in market prices [1][3][5] - As of August 22, the average price of corn in the Northeast market dropped from 2252 yuan/ton to 2230 yuan/ton, a decrease of 0.98% [1] - The expected trend for corn prices in early September is downward, with a projected decline of around 20 yuan/ton, as the demand for feed corn is unlikely to increase significantly [7] Group 2 - The feed production has not shown seasonal growth characteristics, with only two years in the past five showing an increase in September feed production, primarily due to the demand not recovering to normal levels [3][5] - The total livestock population in August was 2.382 billion, a decrease of 0.78% from July, with significant declines in the populations of broiler chickens and pigs [5] - The expected livestock population in September is projected to decrease to 2.362 billion, with a decline in broiler chickens and laying hens, while the pig population is expected to increase by 2.02% [5][7]