Soil survey - Dojochosa (English) soil survey

Japanese: 土壌調査 - どじょうちょうさ(英語表記)soil survey
Soil survey - Dojochosa (English) soil survey
This is a series of tasks to classify the soils that appear in a certain area according to a certain classification method by investigating the morphological properties of the soil in the field and analyzing the physicochemical properties indoors, and to create a soil map showing the distribution range of each soil. It is carried out for the purpose of contributing to the rational use, management, improvement, and conservation of soil resources. Prior to the field survey, the planned survey sites are determined based on topographical maps, aerial photographs, geological maps, land use maps, etc., so as to thoroughly cover the differences in topography, geology, vegetation, land use, etc.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
ある広がりをもつ地域について,野外での土壌の形態的性質の調査と室内での理化学的性質の分析とによって,地域内に出現する土壌を一定の分類方式に従って分類し,それぞれの土壌の分布範囲を示す土壌図を作成する一連の作業をいう。土壌資源の合理的な利用・管理,改良・保全に資することを目的として実施される。野外調査に先立ち,地形図や空中写真,さらに地質図,土地利用図などをよりどころにして,地形・地質・植生,土地利用などの違いをまんべんなくカバーするよう調査予定地点をきめる。

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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