2019-2025年7月下旬复合肥（硫酸钾复合肥，氮磷钾含量45%）市场价格变动统计分析

Group 1 - The core viewpoint of the article highlights the market price of compound fertilizers, specifically potassium sulfate compound fertilizer, which is reported to be 3177.9 yuan per ton in late July 2025, reflecting a year-on-year increase of 2.97% and a month-on-month increase of 0.9% [1] - The article provides a historical context, noting that the price in late July 2022 reached its peak at 4280 yuan per ton, indicating significant fluctuations in the market over the past five years [1]