【作者】 何结望； 毕庆文； 袁家富； 黎妍妍； 赵书军； 占金林； 王欣； 许自成；

【Author】 HE Jie-wang~1 BI Qing-wen~1 YUAN Jia-fu~2 LI Yan-yan~3 ZHAO Shu-jun~2 ZHAN Jin-lin~1 WANG Xin~3 XU Zi-cheng~3 (1.The limited Company of Wuhan Tobacco Group,Wuhan 430051,Hubei China; 2.Soil Institute,Hubei Academy of Agricultural Science ,Wuhan 430064,Hubei China; 3.College of Agronomy,He’nan A.gricultural University,Zhengzhou 450002,He’ran China)

【机构】 武汉烟草(集团)有限公司； 湖北省农业科学院植保土肥所； 河南农业大学农学院；

【摘要】 分析了湖北烟区(恩施、宜昌、襄樊和十堰)烤烟种植的基本条件、气候因素和土壤养分含量状况。结果表明:①该烟区具有无霜期长、≥10℃积温高,日均温≥20℃持续天数多,0～60cm 土壤含氯量较低等特点,具备了生产优质烟叶的基本条件。②烤烟大田生长期气温较适宜,降雨较充沛,温热条件能够满足烤烟生长发育的需求,但降雨量分布存在较大的时空变异。③该区土壤物理性状较为理想,具有较强的保肥能力,pH 值较适宜,有机质含量丰富,土壤氮素、磷素和钾素含量较能满足烟株需求;钙镁比值不平衡,有效硫含量较高;大多数微量元素含量丰富,但有效硼和水溶性氯含量不足。④分别基于气候因素和土壤因素指标,采用聚类分析方法均可将湖北植烟县(市)分为3个片区,对各片区的气候和土壤因素表现进行了描述。更多还原

【Abstract】 The status of the basic ecological conditions,climate factors and soil nutrients of Hubei flue-cured tobacco-growing areas were analyzed.The results indicated that:①Hubei tobacco-growing areas had a long frost-free period,high accumulated temperature of≥10℃,a long period of time with daily average temperature of ≥20℃ and low contect of Cl of 0～60cm soil lay- er.②Hubei tobacco-growing areas had reasonable temperature and abundant precipitation during filed periods.And the hours of sunshine were quite propitious to the growth and development for flue-cured tobacco.But there existed large space-time variation for distribution of precipitation.③The soil had good physical characteristics,strong capability of storing nutrients and feasible pH value.The content of organic matter was rich and the contents of N,P and K could meet the needs of tobacco growth and de- velopment.The ratio of exchangeable Ca to Mg was unbalanced,and available S was rich.The contents of most microelements were rich also,but available B and water souhie Cl were lacking.④Based on the indexes of climate factors and soil factors re- spectively,Hubei tobacco-growing areas could be classified into three groups by cluster analysis method.The traits of climate fac- tors and soil factors for different groups were described briefly.更多还原