Nutritional Diagnosis of Tomato using the Specific Frequency of Leaf Electric Potential.

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  • NAKABAYASHI Kazushige
    Department of Agricultural Chemistry, Faculty of Agriculture, Meiji University
  • TANAKA Gouki
    Department of Agricultural Chemistry, Faculty of Agriculture, Meiji University
  • KURITA Masashi
    Department of Agricultural Chemistry, Faculty of Agriculture, Meiji University

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Other Title
  • 葉面電位の特定周波数を用いたトマトの栄養診断
  • ヨウメン デンイ ノ トクテイ シュウハスウ オ モチイタ トマト ノ エイヨウ シンダン

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Abstract

There are two methods of making a general nutritional diagnosis of plants. One is a visual diagnosis based on experience, and the other is a sap analysis of a stems and leaves. Many years of training and experience are needed to make a visual diagnosis, whereas the chemical analysis of a sap also takes a long time to obtain results.<BR>Therefore, we have studied the relationship between leaf electric potential and the nutritional condition of plants. We found that the inorganic nutritional condition (N, P, Mg) of a tomato can be diagnosed by examining of the three dimensional distribution of three alternating current components (30.0, 13.0 and 20.0Hz) of leaf electric potential.

Journal

  • Shokubutsu Kojo Gakkaishi

    Shokubutsu Kojo Gakkaishi 12 (2), 112-116, 2000

    JAPANESE SOCIETY OF AGRICULTURAL, BIOLOGICAL AND ENVIRONMENTAL ENGINEERS AND SCIENTISTS

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