Reference : MM-1-12-316

Name of creator(s) : Michael Moerman

Scope and content : Japanese utilization of the technique of tillage-irrigation (TI). TI aimed to soften the soil, to hasten organic decomposition, and to mix soil and fertilizer. During crop growth, in the autumn and the winter, they plowed deeply. Later, they plowed in summer. Irrigation would soften soil and clean the plant roots before transplantating to the seedbed.

Extent and medium : Punch card