You put together machines and water, and you get landscapes that look like this. And then you get sales that look like this. It's brute force. So what you've been doing in agriculture is you start out with something that's a reasonably natural system. You start taming that natural system. You put a lot of force behind that natural system. You put a whole bunch of pesticides and herbicides --  -- behind that natural system, and you
機械力と水とを投入すると こんな景色が作り出されます こんな商売も現れます 物量作戦です さて 農業は実に自然なものから 始まり やがて 自然のシステムを制御し始めました 自然に対してどんどん力を加えます 山ほどの農薬と除草剤を投入し  -- 自然のシステムから