Influence of Different Potassium Fertilizer on Some Enzyme Activities of Growing Flue-cured Tobacco

doi:10.3321/j.issn:1000-7091.2007.02.018

Abstract

Abstract: The effects of different potassium fertilizer on some enzyme activities of growing flue-cured tobacco were studied. Results showed that, using organic potassium and bio-potassium fertilizer, NR activities were increased, tobacco's growing speed improved, and they could significantly strengthen the activity of SOD enzyme, root activities, Invertase and ATP enzyme activities were all increased. Among them, bio-potassium could improve tobacco's early stage growing, and organic potassium could improve tobacco's late stage growing. Tobacco's growing and development could enhance better using KNO₃ than K₂SO₄.

Key words: Potassium fertilizer, Flue-cured tobacco, Bio-potassium, Organic potassium, Enzyme

CLC Number:

S572.01

YE Xie feng, ZHU Hai bin, JIN Dong mei, LIU Guo shun,WANG Ying yuan, CUI Shu yi, YU Qi wei, ZHANG Sheng. Influence of Different Potassium Fertilizer on Some Enzyme Activities of Growing Flue-cured Tobacco[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(2): 67-70. doi: 10.3321/j.issn:1000-7091.2007.02.018.

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