"It's a resource!"
The key to success of this project was the education for kids.
This is the impression of visiting a manufacturing facility of liquid fertilizer in Chikujou-town.
Liquid fertilizer is made from human wastes.
It's so rare success case of using human wastes, because it has not good image, so most of farmers don't want to use it.
Then, the staff of the facility, her name is Ota-san, started telling kids the story.
"This liquid fertilizer make delicious foods like rice, lettuce, sweetcorn...something like that!"
And then kids experienced planting and harvesting rice.
Kids had not yet felt resistance against using human waste for cultivation food. And they talked about the story to their parents, grandfather, and grandmother.
Finally, adults realized they were stuck in the stereotypes.