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当前位置: 首页 > 文章 > 春植蔗生长季降水变化及其影响 安徽农业科学 2009,37 (4) 1509-1510+1541
Position: Home > Articles > Precipitation Changes during Growing Season of Spring Sugarcane and Its Affects Journal of Anhui Agricultural Sciences 2009,37 (4) 1509-1510+1541

春植蔗生长季降水变化及其影响

作  者：
段居琦;王凇
单  位：
广西壮族自治区来宾市气象局
关键词：
降水变化;甘蔗;生长季;来宾市
摘  要：
[目的]了解广西来宾市甘蔗生长季降水特征及其变化趋势。[方法]运用农业气象统计分析方法,结合春植蔗阶段需水特点,分析了广西来宾市甘蔗种植区1965~2007年3~11月逐月降水资料。[结果]广西来宾市有2/3的年份降水不能满足甘蔗需水,特别是9~10月几乎年年发生干旱,甘蔗生长季月降水变率大,春植蔗生长季总降水有随年份减少趋势,但主汛期6~7月降雨量随年份增加,这将导致来宾市春植蔗易发生干旱,特别是秋旱,且干旱发生机率和强度变大,同时也存在着主汛期6~7月发生局地渍涝灾害的风险。最后提出了相应的生产对策与建议。[结论]该研究对科学安排蔗田灌溉与人工增雨作业,提高甘蔗生产应对气候变化的能力具有一定指导意义。
译  名：
Precipitation Changes during Growing Season of Spring Sugarcane and Its Affects
作  者：
DUAN Ju-qi et al(Laibin Meteorological Bureau in Guangxi Zhuang Autonomous Region,Laibin,Guangxi 546100)
关键词：
Precipitation changes;Sugarcane;Growing season;Laibin City
摘  要：
[Objective] The study aimed to understand the precipitation characteristics and its changing trend of sugarcane growing season in Laibin City in Guangxi.[Method] The monthly precipitation data from March to November among the stage from 1965 to 2007 were analyzed by using the agro-meteorological statistical methods combined with the water demand feature of spring sugarcane.[Result] There was rainfall for 2/3 years that could not meet the sugarcane water demand.Especially the drought happened almost from September to October every year.The monthly precipitation had great variation during sugarcane growing season.The total precipitation during sugarcane growing season had the decreasing trend with the years,but the rainfall had the increasing trend during the main flood season from June to July with the years,which would lead to the probability of drought occurrence during sugarcane growing season in Laibin City and especially the autumn drought had great occurrence probability and intensity.There also were risks of local water logging disaster during the main flood season from June to July.Finally,the corresponding countermeasures and suggestions for sugarcane production were put forward according to the above problems.[Conclusion] The study had some guidance meaning for scientifically arranging the irrigation in sugarcane field and artificial precipitation operation and increasing the ability of sugarcane production to reply the weather change.

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