embellishment

At the time, machinery for agriculture does not exist of course.

According to the request for resignation of Kinjiro at 1828.

"Labor for order to be able to cultivate paddy field of good quality of 1 tan.　
The necessary personnel is 40 people.
And we are able to expect to harvest of 3 koku there."
Kinjiro calculated so.

He did not write this development period.

Work 1day at 40 people.
Or Work 〇day at 40 people.

Can not be determined either.

Based on this、At Simple calculation，Personnel of about 160 people is necessary for the reconstruction of their farmland.

1 tan(反) is 991,7 square meters.
1 side 300 step.
(Until Middle Ages，1 tan was step 360.)


・・・・・・・・・


"I'd like to study."
One day,He said so to relatives.

After night work.
But his spare time was only it.

"There is no extra money to buy the oil for the light."
Relatives replied so.

Kinjiro got the seeds of rapeseed of 5 shaku from acquaintance.
And he sowed it to his wasteland.
Summer of the following year，Rape of 7 shō was harvested.

Can take the oil from rape.

He negotiated with oil merchants.
And he was replaced it to oil of products.

He studied in this way.

Of course，There may be embellishment on this episode.
However，He stacked one by one.
It is true.

According to his chronology.
1802、At the age of 16, he planted rapeseed.
(age of current)

1 shaku(勺) is about 0,018 liters.
5 shaku is about 90g.

1 shō(升) is 1,803 liters at the current standards.
7 shō is 12,6kg.