...When alkali-soluble black humic acid accumulates on the soil surface, it turns black and is called black alkali soil or solonets soil, and sometimes refers to these two. White saline soils are also commonly called white alkali soil or solonchak, but many soils have a weak alkalinity of pH 7.0 to 8.0, and not all white alkali soils fall into the category of alkaline soil. [Matsumoto Satoshi]... *Some terminology that refers to "white alkali soil" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…アルカリ可溶の黒色腐植酸が土壌表面に集積すると黒色を呈し,黒色アルカリ土壌black alkali soilまたはソロネッツsolonets土壌と呼ばれ,ときにはこれを指すこともある。白色の塩類土壌も通称白色アルカリ土壌white alkali soilまたはソロンチャクsolonchakと呼ばれてはいるが,pH7.0~8.0の弱アルカリ性を示す土壌が多く,白色アルカリ土壌のすべてがアルカリ土壌の範疇(はんちゆう)に入るわけではない。【松本 聰】。… ※「white alkali soil」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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