【作者】 李志勇； 王小东； 付国占； 杨铁钊；

【Author】 Li Zhi-yong~1, Wang Xiao-dong~1, Fu Guo-zhan~1, Yang Tie-zhao~2 (1 Agronomic College, Henan University of Science and Technology, Luoyang 471003; 2 Agronomic College, Henan Agricultural University, Zhengzhou 450002)

【机构】 河南科技大学农学院； 河南农业大学农学院；

【摘要】 在豫东烟区烟叶大田生育期正常降雨年型条件下,根据当地烟农灌溉习惯,于旺长期及打顶期再补充总灌溉量960-1060m~3/hm~2的烟田,有利改善烟叶品质,提高单位面积产值、上等烟比例、均价及烟叶含钾量。在缺水干旱或过量灌溉条件下,烟叶品质及经济性状变差。更多还原

【Abstract】 According to local irrigation tradition in the eastern Henan province and on the condition of normal precipitation year type during the period of tobacco field growth, the total irrigation amount of 960-1060m~3/hm~2 at rapidly growing and topping stages is beneficial to improving tobacco quality and increasing value per unit area, first-class tobacco ratio, average price and leaf potassium content. Conditions of arid soil and undue irrigation are not helpful to improvement of tobacco quality and economic characteristics.更多还原