Effect of Grooving and Gypsum Application in the Compacted Hard Soil on the Root Growth of Soybeans

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  • KUJIRA Yukio
    School of Regional Development Studies, College of Human and Social Sciences, Kanazawa University
  • SAITO Hiroki
    Faculty of Education, Kanazawa University

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Other Title
  • 硬い土壌条件下の作溝および石膏の施用がダイズの根系成育に及ぼす影響
  • カタイ ドジョウ ジョウケン カ ノ サッコウ オヨビ セッコウ ノ シヨウ ガ ダイズ ノ コンケイ セイイク ニ オヨボス エイキョウ

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Abstract

A hard soil showed 1.85g/cm^3 of soil density was prepared using an oil-pressure machine compared to a soft soil one. Treatment involved digging a ditch in a v-shape in hard soil, and a gypsum application was used on the root system. Root growth decreased in the compacted hard soil, yet, the tap root dry weight increased in the hard soil that used v-shape grooving rather than in the hard soil. Root dry weight increased more by the gypsum application of 100kg/10a under hard soil conditions.

Journal

  • The Hokuriku Crop Science

    The Hokuriku Crop Science 46 (0), 59-61, 2011

    Society for Crop Science and Plant Breeding of Hokuriku

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