Journal of Food, Agriculture and Environment




Vol 11, Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255


The relationship between available boron content in soil and the boron content of fluecured tobacco in Enshi tobacco-growing areas


Author(s):

Haitao Wang 1, 2, Zicheng Xu 1 *, Huifang Shao 1, Shuang Zhao 1

Recieved Date: 2013-05-30, Accepted Date: 2013-09-04

Abstract:

Distribution of available boron content in soil and boron content of flue-cured tobacco in Enshi tobacco-growing areas in Hubei province and their relationships were analyzed in our study. The results indicated that: (1) The available boron content in soil in Enshi tobacco-growing areas was low, with the mean of (0.32 ± 0.15) mg·kg-1, and 88.67% of soil samples were below the threshold of 0.5 mg·kg-1. Significant differences were found among different altitudes and soil depths, indicating the trends of boron in soil that high altitude > medium altitude > lower altitude and 0-20 cm > 20-40 cm > 40-60 cm. (2) The average boron content of flue-cured tobacco was (15.65 ± 7.26) mg·kg-1. There existed significant differences among various cultivars, different grades and altitudes for the boron content of flue-cured tobacco, which showed the trends of Yunyan87 > K326 > Yunyan85, B2F > C3F > X2F, and high altitude > medium altitude > lower altitude, respectively. (3) The boron content of flue-cured tobacco (ŷ) was closely related to the boron content in soil (x), so a linear regression equation of  ŷ = 7.1326 + 22.705 was established between them, with high significant correlation coefficient of 0.7831. The boron content of flue-cured tobacco increased with the altitude height going up and the boron content in soil increasing.

Keywords:

Boron, tobacco, soil depth, altitude heights


Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 1894-1898


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