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StudyontheSyntheticCulturalTechnigueofSugarcaneonDrylandandWastelanelHeShuIin.(Elom0nicCropsBureanofHunawProuince,Changsha4l0005)1引言80年代，我省每年旱地植蔗面积16万亩左右，正常年份甘蔗亩产3500kg右，严重干旱年份只能收回种苗或失收。为了提高旱地甘蔗单产，?
1 Introduction In the 1980s, the area of irrigated sugarcane in the dry land of our province was about 160,000 mu per year, and that of normal sugarcane was about 3500kg per mu. Only the seedlings could be recovered or lost in severe drought year. In order to improve dry land sugarcane yield?