...Because phosphoric acid is poorly soluble, it is not approved for sale as a fertilizer in Japan. [Kikuo Kumazawa] Guano has been used as a fertilizer since the Inca era, but the 40 years from 1840 to 1880 in particular are known as the "Guano Era" in Peru's history, and it became the largest export product at the time. It was mainly exported to Britain, where it contributed to the development of European agriculture. ... *Some of the terminology that refers to the "guano era" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…リン酸が難溶性のため日本では販売肥料として認められていない。【熊沢 喜久雄】 グアノは肥料としてインカ時代から使われていたが,とくに1840‐80年の40年間はペルー史上〈グアノ時代〉と呼ばれ,当時最大の輸出産品となった。おもにイギリスに輸出され,ヨーロッパ農業の発展に寄与した。… ※「グアノ時代」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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