摘要
运用主成分分析法，从影响再生稻生长发育的２ｌ个气象指标中筛选出７～９月平均气温、≥１０℃年积温、年均日照时数和降水量作为分区指标，并根据生产实际结合聚类分析，将湖北省再生稻栽培区域分为３个气候生态区。即鄂东低山丘陵再生稻适宜区，鄂中丘陵平原再生稻适宜区，鄂西山地再生稻次适宜区。
By principal component analysis of 21 meterological indexes affecting the growth anddevelopment of ratoon rice,average daily temperature in July to September,cumulativetemperature above l0℃ average yearly sunshine times and precipitation were selected asthe division indexes,Based on the production facts and the results of shortest-distancecluster analysis,the ratoon rice production areas of Hubei province were classified intothree climatic ecological divisions:Viz suited division in east Hubei low hill area,suiteddivision in central Hubei hill and plain area,subsuited division in west Hubei high hill area.
出处
《西南农业大学学报（自然科学版）》
CSCD
1995年第3期202-206,共5页
Journal of Southwest Agricultural University
基金
农业部02-01-02重点研究
关键词
再生稻
气候区
生态区
区划
湖北省
ratoon rice
climatic regions
zoning
Hubei province
