Dynamic Distribution of N，P and K in Different Growth Stages in the Stem and Leaf of Flue-cured Tobacco

doi:10.3321/j.issn:1000-7091.2000.Z1.041

Abstract

Abstract: Stem and leaf N, P and K analysis on five growth stages of flue-cured tobacco indicated that N, P and K contents in stem and leaf of flue-cured tobacco were complicated. Nitrogen content was consistently higher in leaf than in stem, while K content was always higher in stem than in leaf. At the slow growth stage, P content was higher in leaf than in stem, but was reversed at the glomerating stage. From slow growth stage to maturity, the contents of all the three nutrients were in decrease, but the rate of decrease was highest for K and lowest for P.

Key words: Flue-cured tobacco, Nutrients, Growth stage, Dynamic distribution

WU Yun xia, LÜ Ying. Dynamic Distribution of N，P and K in Different Growth Stages in the Stem and Leaf of Flue-cured Tobacco[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2000, 15(S1): 194-196. doi: 10.3321/j.issn:1000-7091.2000.Z1.041.

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