中国烟草科学Issue(6)：38-42,48,6.DOI:10.3969/j.issn.1007-5119.2013.06.008
施氮量对香料烟光合、蒸腾和水分利用效率的影响
Effects of Nitrogen Rates on Photosynthesis, Transpiration, and Water Use Efficiency of Oriental Tobacco Leaves
摘要
Abstract
Effects of nitrogen rates on photosynthesis, transpiration and water use efficiency of oriental tobacco leaves in arid environment in Baoshan was studied in order to determine the optimum rate of nitrogen in arid environment. The results showed that stomatal conductance, intercellular CO2 concentration, transpiration rate decreased, and efficiency of water use increased with higher inorganic nitrogen fertilizer rates. The amount of dry matter accumulation per unit leaf area was largest with the highest nitrogen rate, and lowest with moderate nitrogen rate. Nitrogen rate of 75 kg/ha was most useful for lowering transpiration rate, improving its water use efficiency and getting a higher quality of dry matter.关键词
香料烟/干旱/氮/光合生理Key words
oriental tobacco leaves/arid environment/nitrogen rate/photosynthesis分类
农业科技引用本文复制引用
李志伟,刘朝科,符云鹏,周琳,周显波,史双双,徐文姗,汤术开,罗维..施氮量对香料烟光合、蒸腾和水分利用效率的影响[J].中国烟草科学,2013,(6):38-42,48,6.基金项目
云南省烟草公司科技项目 （）
