A reddish-brown soil formed from hard carbonate rocks (limestone, dolomite, etc.). The name Terra Rossa comes from the Italian word for "red earth" in the Mediterranean region. In soil classification, it is also called Rhodoxeralf (USA) or Chromic Luvisol (FAO/UNESCO). It consists of iron and aluminum hydroxides and clay left behind after the carbonates have dissolved, and is generally poor in humus and has no calcium carbonate accumulation layer. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
堅い炭酸塩質の岩石(石灰岩,苦灰岩など)から生成した赤褐色の土壌。テラ・ロッサという名称は,地中海地方の〈赤い土〉を意味するイタリア語に由来している。土壌分類学的にはロードゼラルフRhodoxeralf(アメリカ)あるいはクロミック・ルビソルChromic Luvisol(FAO/UNESCO)ともいわれる。炭酸塩が溶解されたあとに残された鉄やアルミニウムの水酸化物および粘土からなり,一般に腐植に乏しく炭酸カルシウムの集積層はない。
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 |
[raw]? [Died] Jeongjong 3 (979) The 56th (last) ki...
… [Matsui Jin]. … *Some of the terminology that m...
...The oldest of this group is the Placodermi, wh...
A deciduous shrub or small tree of the Ericaceae f...
…Counterfeiting has been rampant in the United St...
...The manuscript was completed in 1773 (An'e...
A central government agency established in April 1...
A medieval post station in Suruga Province. It was...
...It is located in the southern part of the Nikk...
The first programmatic document of scientific com...
...Abbreviated title: Gyozanshu. Title: Gyozan Sh...
A full-length novel by Shiga Naoya. It was serial...
...Although much is unknown about his life and wo...
…It occurs during the southwest monsoon from Apri...
A lawsuit seeking to order an administrative agenc...