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Position: Home > Articles > Effects of Potassium Levels on Growth and Development of Flue-cured Tobacco Seedings in the Floating System Journal of Henan Agricultural Sciences 2003 (1) 15-18

钾水平对烤烟漂浮育苗烟苗生长发育的影响

作  者:
刘国顺;习向银;时向东;李朝霞;陈永生
单  位:
河南农业大学国家烟草栽培生理生化研究基地
关键词:
烤烟;漂浮育苗;钾水平;生长发育
摘  要:
20 0 1~ 2 0 0 2年在河南农业大学科技园区温室内 ,进行了钾肥水平对烤烟漂浮育苗烟苗生长发育的影响试验。结果表明 ,钾水平不同 ,对烟苗生长发育的影响亦不同。其中 ,以K2 O5 0~ 1 0 0mg/L处理对烟苗的生长发育最为有利 ,能明显改善烟苗的植物学性状 ,增加叶绿素含量 ,提高根系活力和NR酶活性 ,增加叶片中矿质营养元素含量。
译  名:
Effects of Potassium Levels on Growth and Development of Flue-cured Tobacco Seedings in the Floating System
作  者:
LIU Guo-shun,XI Xiang-yin,SHI Xiang-dong,LI Zhao-xia,CHEN Yong-sheng (Henan Agricultural University,Zhengzhou 450002,China)
关键词:
Flue-cured tobacco;Floating system;Potassium levels;Growth and development
摘  要:
The greenhouse test with different potassium levels in Henan Agricultural University during 2001-2002.Showed different potassium levels had different influence on growth and development of flue-cured tobacco seedlings in the floating system,among which, 50~100 mg/L K 2O could make a better growth of tobacco seedlings and increase the chrolophyll content,NR activity and mineral elements of tobacco seedlings leaves and root vitality.

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