Studies on the Relation between Unusual Tea Leaf and Contents of Inorganic Elements(Part 1):On the Tea Leaf Having Toxic Symptoms Grown in Serpentine Soil in Tenryu-Shi, Shizuoka-Ken

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概要

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• The toxic symptoms on tea leaf grown in serpentine 'soil in Tenryu-shi were examined by leaf-analysis and pot experiments. In the leaf analysis, the tea leaf grown in Shizuoka Tea Experiment Station was employed as a control. The results obtained were as follows.<BR>(1) It was apparent that the concentrations of Ca, Mg, Mn and Ni were higher in the tea leaf in serpentine soil than in the control, especially, those of Mn and Ni were very high.<BR>(2) In most cases, there is no differences on the concentrations of inorganic components, between the leaf in serpentine soil and the control.<BR>(3) Acid soluble-Ni, exchangeable-Mn and water soluble-Mn were more contained in the tea soil produced toxic symptoms on the tea leaf than in the soil producing normal leaf.<BR>(4) The toxic symptoms were occurred on the tpea plant in pots filled with serpentine soil two months after planting.<BR>(5) The oats plant in pots filled with serpen-tine soil revealed an Ni-excessive symptom several days after germination.

• 日本茶業技術協会の論文

著者

• 向笠 芳郎

  静岡県茶業試験場

• 小川 茂

  静岡県茶業試験場

関連論文

• 中華人民共和国の茶業
• 茶園における農薬の空中散布試験
• タイトル無し
• Studies on the Relation between Unusual Tea Leaf and Contents of Inorganic Elements(Part 1):On the Tea Leaf Having Toxic Symptoms Grown in Serpentine Soil in Tenryu-Shi, Shizuoka-Ken
• The Behavior of NH4-N and NO3-N in the Soil Applied the Several Nitrogen Source
• Studies on the Relation between Abnormal Tea Leaf and Contents of Inorganic Elements (Part 2):Occurrence of Abnormal Tea Leaf with Increasing Supply of Nickel or Manganese

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