Ridge painting - Ridge painting

...They are usually earthen structures that must be strong enough to allow people and machinery to pass through. Ridge plastering, which is carried out in paddy fields before rice planting, is a task that involves removing weeds from the surface of the ridges and plastering them with kneaded mud to reduce the permeability of the ridges in order to prevent water leakage. The infiltration of water from flooded ridges is called ridge infiltration, and paddy fields with a large amount of this water will have an increase in ineffective leakage and excessive water usage.

*Some of the terminology that refers to "aze-nuri" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…通常は土の構造物であり，人間や作業機の通行を可能にする強度をもっていなければならない。田植前に水田で行うあぜ塗りは漏水を防止するために，あぜの表面の雑草を取り除き，ねった泥をぬりつけてあぜの透水性を落とすための作業である。湛水のあぜからの浸透をあぜ浸透と呼び，この量が多い水田は，無効な漏水が増え用水量が過大となる。…

※「あぜ塗り」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