影响勐海甘蔗产量与糖分的气候因子变化特征

为在甘蔗栽培、糖业生产、糖业贸易中针对气候因子的变化采取及时有效的应对措施提供依据,对影响云南勐海甘蔗产量和糖分的气候因子近45年来的趋势性、阶段性和周期性进行分析。结果表明：影响甘蔗产量的气候因子中,3~10月的积温增加趋势显著;3~10月的积温和降水量有显著的阶段性;3~10月的积温、降水量、日照时数都有显著的振荡周期。影响甘蔗糖分的气候因子中,10~11月的平均最低气温增加趋势比较显著,有显著的周期性和阶段性;11月至次年2月的降水量有3~4年的振荡周期,趋势性和阶段性不显著。

Variation Characteristics of Climatic Factors Influencing Sugar Cane Yields and Sugar Content in Menghai

An analysis is made of the climatic factors influencing sugar cane yields and sugar contents to provide the bases for taking measures to adapt to climate change for sugar production.The trends and phasic and periodic characteristics of these climatic factors in the recent 45 years are studied.The results indicate that the accumulated temperature of March to October increased obviously;there was obvious phasic feature in the variation of the accumulated temperature and precipitation of March to October;there...