Spatial Distribution and Content of Available Boron for Tobacco-growing Soil in Shaoyang

doi:10.11924/j.issn.1000-6850.2013-2244

Abstract

Abstract: In order to understand the distribution of available boron contents for tobacco-growing soils in Shangyang, distribution frequency and difference in different county, towns, Ph group, organic matter group and Spatial distribution of available boron contents were analyzed by collected 1790 soil samples. The results were as follows:(1) The available boron contents in the tobacco-grown soil is an abundant supply for tobacco cultivation，with a mean of 0.80mg/kg and variation coefficient of 42.92%. About 27.26% of the soil samples had available boron contents for suitable tobacco cultivation. (2)The available boron contents of tobacco-growing soils in Longhui county and Xinning county were extremely significant more than Shaoyang county.(3) The tobacco-growing soils in Jiugongqiao town and Huangtang towmship had available boron contents for suitable tobacco cultivation.(4) There is extremely significant differences among the contents of available boron in the different pH group.(5)There is no-significant differences among the contents of available boron in the different organic matter group.(6)Kriging interpolation map indicated that the spatial distributions of available boron were patchiness, while the 0.60～0.90mg/kg were main distribution of available boron contents.

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