拉尼娜概率55%，南美农业产出或受影响

Group 1 - The World Meteorological Organization forecasts a 55% probability of a weak La Niña phenomenon occurring in the next three months, with ocean and atmospheric indicators reaching critical thresholds as of mid-November [1] - La Niña typically leads to temporary cooling effects but many regions will continue to experience warmer weather [1] - La Niña is associated with significant weather events such as droughts and floods, impacting agricultural production [1] Group 2 - CITIC Futures indicates that La Niña may result in reduced soybean yields in central and southern South America and the central United States, with Brazil, the United States, and Argentina contributing over 80% of global soybean production [1] - The La Niña phenomenon is likely to affect the traditional rubber tapping season in China and Southeast Asia, potentially impacting rubber production due to increased rainfall [1] Group 3 - Hainan Rubber is identified as a leading company in China's natural rubber industry [2] - Guannong Co., Ltd. specializes in cotton processing, with a processing capacity exceeding 150,000 tons [3]