What happened in agriculture? Well, if you take agriculture over a century, agriculture in about 1900 would have been recognizable to somebody planting a thousand years earlier. Yeah, the plows look different. The machines were tractors or stuff instead of mules, but the farmer would have understood: this is what the guy's doing, this is why he's doing it, this is where he's going. What really started to change in agriculture is when
技術そのものを大きく変えました 農業に何が起きたのでしょうか この百年の農業を概観すると 1900年頃の農業は 千年前の農民にも 理解できるものでした 鍬が違い ラバがトラクタに変わっても 百姓なら 何が何のために行われているか そしてどうなるのかを 理解できるはずです 農業が本当に変わり始めたのは