土壌のホウ素含量とその分布について

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  • 土壌のホウ素含量とその分布について(農芸化学)
  • ドジョウ ノ ホウソ ガンリョウ ト ソノ ブンプ ニ ツイテ
  • Boron content and distribution in soils (Agricultural Chemistry)

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The total boron content and its distribution in the soils of Kameoka basin of Kyoto Prefecture were investigated. The total boron content in the soil was spectrophotometrically determined by curcumin-acetic acid method after fusion of the soil with sodium peroxide and extraction of the boron with 2-ethyl-1,3-hexanediol. The soils of Kameoka basin had a comparatively higher contents of boron. The total boron content varied from 94.1 to 13.2ppm of soil, averaging 44.5ppm. The comparatively higher contents of boron is probably due to the high content in the parent rocks from which the soils of Kameoka basin were derieved. The pattern of boron distribution showed that the total boron content in the soils was closely associated with its content in the parent materials.

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