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Effect of Humic Acid Application on the Yield and Quality of Flue-Cured Tobacco

Author

Listed:
  • Yuting He
  • Changquan Wang
  • Bing Li
  • Wanqiu Wang
  • Bin Li
  • Jinyou Xiang
  • Bo Lei

Abstract

The field experiment was conducted to investigate the effect of of humic acid amount (600 kg/hm2, 900 kg/hm2, 1200 kg/hm2) at different fertilization time (base fertilization, topdressing fertilization and both) on the potassium content and chemical quality of Yunyan 97. The results showed that humic acid can significantly increase the potassium content in tobacco leaves. The coordination of potassium content in upper, middle and lower leaves reached for 1.52%, 2.55%, 2.63% respectively in the treatment of humic acid (1200 kg/hm2) at base fertilization and topdressing fertilization (1/2 respectively), The content of nicotine and total nitrogen remained in appropriate range in all treatments. Both base and/or topdressing fertilization of humic acid in high level leaded to a more reasonable Potassium/Chloride ratio, and the coordination chemical quality was better.

Suggested Citation

  • Yuting He & Changquan Wang & Bing Li & Wanqiu Wang & Bin Li & Jinyou Xiang & Bo Lei, 2014. "Effect of Humic Acid Application on the Yield and Quality of Flue-Cured Tobacco," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 6(11), pages 1-8, October.
  • Handle: RePEc:ibn:jasjnl:v:6:y:2014:i:11:p:8
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    More about this item

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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