Effect of Fertilizer N Forms on Physiological Metabolism and Potassium Uptake of Flue-Cured TobaccoEnglish Full Text
ZHOU JIHENG; ZHU XIANLING and WANG DENGMIN(Hefei Institute of Economics and Technology, Chinese State Tobacco Monopoly Administration, Hefei 230052(China))
Abstract: The growth, chlorophyll composition, photosynthesis, respiration, K uptake and root K+ secretion offlue-cured tobacco as thected by different concentrations of N supplied as urea, NaNO3 and NH4NO3 werestudied under the experimental condition of sand culture. The results showed that the content of K in thefiue-cured tobacco was not merely related with root vitality and uptake but also closely related with root cellmembrane structure and K+ secretion.
Keywords：
fertilizer N forms; flue-cured tobacco; K uptake; physiological metabolism; root K+ secretion;
- Series：
(D) Agriculture
- Subject：
Crop
- Classification Code：
S572
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