Effects of Different Nitrogen Levels on the Yield and Water Use Efficiency of Tobacco

被引：0
|
作者：
Shao Xiao-hou [1 ,2 ]
Wang Wei-na [1 ,2 ]
Chang Ting-ting [1 ,2 ]
Chen Li-hua [1 ,2 ]
Deng Bo-jun [1 ,2 ]
Wang Yao-fu [3 ]
机构：
[1] Hohai Univ, Key Lab Efficient Irrigat Drainage & Agr Soil Wat, Minist Educ, Nanjing 210098, Jiangsu, Peoples R China
[2] Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Peoples R China
[3] China Tobacco Hunan Ind Corp, Changsha 410000, Peoples R China
来源：
PROGRESS IN ENVIRONMENTAL SCIENCE AND ENGINEERING, PTS 1-4 | 2013年 / 610-613卷
关键词：
flue-cured tobacco nitrogen rate; evapotranspiration; water use efficiency;
D O I：
10.4028/www.scientific.net/AMR.610-613.133
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Based on field experiment, the yield and water use efficiency (WUE) of tobacco under different nitrogen levels were studied in Hunan province, China. The results show that the evaportranspiration (ET) of flue-cured tobacco dealt with N2 (90kg N fertilizers per ha) gets to the maximum. In addition, the vigorous period has the maximum ET due to the critical period of water requirement. The linear relationship is established among fertilization, yield and water use efficiency. Reasonable fertilizer application can increase water use efficiency and flue-cured tobacco yield.
引用
收藏
页码：133 / +
页数：2
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