Cold water soaking

…He served in the same domain in his youth, but after the domains were abolished and prefectures were established, he returned to farming and devoted himself to agricultural research. He invented the farming method of winter water soaking and soil enclosing, and wrote Kanno Shinsho (1877). This farming method aimed to increase harvests by soaking rice seeds in water during the winter or storing them in the soil and sowing them in the spring. …

*Some of the terminology that refers to "cold water immersion" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…少壮期同藩に仕官したが，廃藩置県により帰農し，農事研究に専念した。寒水浸と土囲法との農法を案出し，《勧農新書》(1877)を著す。この農法は寒中イネの種子を水に浸し，あるいは土壌中に貯蔵して春時に播種することにより，収穫の増加を実現しようとするものであった。…

※「寒水浸」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