【摘要】 在田间试验中观测到经过量紫外线（ＵＶ）辐射处理过的棉花，其株形、生理活动及产量都受到不同程度的影响，其影响程度随ＵＶ辐射强度的强弱而异。本文通过对棉花受不同程度ＵＶ辐射处理的研究，得出其在各项指标上的受影响程度，结果对了解气候变化对农作物生产的影响具有一定的意义更多还原

【Abstract】 It is found from the field observations of cotton crop treated with excessive ultraviolet(UV) that the shape of plant, physiological activity and yield are all influenced to different extent which depends on how strong the UV is, and then the influence is investigated in detail in this paper. Results are of significance in understanding climatic effects on crop growth.更多还原