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根据单个气象要素与产量的相关性，筛选出11个气象要素进行模糊聚类，并将其结果与丰产期荔枝年景对比分析。发现丰产期荔枝在花芽分化后期和花穗生长发育期（1—3月）需充足的水分，花期（4月中旬）需晴好天气，秋季（9月）需充足的日照和降水，才能正常生长发育和开花座果。花芽分化后期和花穗生长发育期的降水与产量关系的新发现，将为今后修订新的生产管理措施打下基础。
According to the correlation between individual meteorological elements and yield, 11 meteorological elements were selected for fuzzy clustering, and their results were compared with the litchi years in high yielding period. It is found that high yielding litchi requires adequate water during the late flower bud differentiation and spikelet growth and development (January-March), good weather at flowering (mid-April), sufficient sunshine and precipitation in autumn (September), and normal growth Development and flowering of fruit. The new findings on the relationship between precipitation and yield during flower bud differentiation and flower growth and development will lay the foundation for the revision of new production management measures in the future.