deunggoseonsik gyeongjak
contour plowing
labour en courbes de niveau
농부는 등고선식 경작을 통해 토양 침식을 방지합니다.
Nongbuneun deunggoseonsik gyeongjageul tonghae toyang chimisigeul bangjihamnida.
The farmer prevents soil erosion through contour plowing.
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