中国苜蓿综合气候区划研究-北京玛格泰克科技发展有限公司.PDFVIP

15 4 草 地 学 报 2007 7 V ol. 15 N o. 4 ACT A A GRE ST IA SINI CA J ul . 2007 : 100704 35 ( 2007) 040 31607 徐 斌, 杨秀春, 白可喻, 陈仲新, 覃志豪, 邱建军 ( , 1000 81) : 2000 ( ) , ( A lf alf a) 6 , , , 4 6. 14 % 4 , 53 . 87% , , , 43 . 29 % , , , : : S 812 : A Alf alf a Climatic Subdivisions in Chi na XU Bin, Y A N G X iuchun , BA I K eyu , CH EN Zhongx in, Q IN Z hihao, Q IU Jianjun ( Ins tit ut e of A gricult ural Reousrces and R egi on al P lanning , Chinese A cadem y of A gr icult ural Sciences, Beijing 100081, China) Abstract: Based on t he dat ab ase f rom 2000 meteor olog ical st at io ns in China, the alfalf a clim at ic subdivi sion s w as synthesized by u sing G eogr aphic Infor mation Sy st em ( G IS) . Six cl im at ic region s w ere identif ied fo r climat ic suit abilit y of alfalf a, region and w ere ident if ied as least suit able regio ns fo r alfalf a plant ing and count ed about 46 . 14% of t ot al st at e land areas t he o ther f our region s w ere climatic su it able areas and abo ut 53. 87 % of to tal st at e land areas. R eg ional , and w er e t radit ional alfalf a plant ing ar eas, w hich occupied about 43. 29% of t ot al st at e land areas regio n w as subt ro pical area fo r moisture and heat r esist ance variet ies. A cco rding t o t he climat ic suit abilit y, variet y p erfo rmance t est, and fall dorm ancy ch aract er ist ics, t he su it able alf alf a v ariet ies w ere reco mmended for dif ferent clim at ic region s. Key words: A lf alfa, Clim at ic subdivisio n, F al l dormancy level, Geog raphic I