| 概要 |
After the World War II, the ruins of ridges and canals of rice-fields, similar to those of Toro site, were discovered near Numazu City, Shizuoka Prefecture. These were recognized as the ruins of rice ...cultivation in the late Yayoi period by the archaeologists who surveyed them. Because the place is situated in the low and wet land, it was necessary for the openers of the fields to dig ditches for the draining and to tighten the soft soil by hammering pegs into the ground. Judging from the ditches and peg lines of this remaining site, the field division system of the Yayoi period provided the basis of the equal dividing of the Jori (条里) System, which began to be carried out at the middle of the 7th century in this region. The directions of the rice-fields and the roads were inherited from those of the early opening period. This illustrates that people executed planned and unified construction over wide area for the opening of the rice-fields of the Yayoi period. It is also reported that the ruins of small roads guarded by pegs and boards were found in the Tada site in Shizuoka Prefecture, which is also the ruins of rice-fields of the Yayoi period. Investigating the facts about the rice-field divisions through collecting these fragmentary data, I wish to advance the survey on the sizes and characters of the opening of the rice-fields in the Yayoi period.続きを見る
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