AN APPLICATION OF MICROPEDOLOGY TO THE STUDY OF PLANT-SOIL SYSTEM : WITH SPECIAL REFERENCE TO IMPROVEMENT OF METHOD FOR MAKING SOIL THIN SECTION

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  • 植物-土壌系の研究に対する土壌微細形態学の応用 : 土壌薄片作製法の改良
  • ショクブツ ドジョウケイ ノ ケンキュウ ニ タイスル ドジョウ ビサイ ケイ

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Abstract

In studies of both pedogenesis and of the interaction between organisms and the soil, it is important to observe the soil micromorphology. Unfortunately, however, due to the difficulties involved in making larger-sized thin sections of soil, micromorphological methods have not been widely utilized in soil study in Japan. To remedy this situation the suthors developed a simple method of making medium-sized thin sections of soil using a rather inexpensive apparatus, and also modified and imprived the equipment used for impregnation with polyester resin. Using this method and apparatus, medium-sized thin sections of soil from a core sampler (5 cm in diameter×5 cm in height) and a Kubiena box (8×8×5 cm3) can easily be made. Some exsamples of thin sections produced using this method are shown in reference to the crumb structure of an Andosol and mor of a Podozol.

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