Reference

Leviticus 27:3

And thy estimation shall be of the male from twenty years old even unto sixty years old, even thy estimation shall be fifty shekels of silver, after the shekel of the sanctuary.
1

And the Lord spake unto Moses, saying,

2

Speak unto the children of Israel, and say unto them, When a man shall make a singular vow, the persons shall be for the Lord by thy estimation.

3

And thy estimation shall be of the male from twenty years old even unto sixty years old, even thy estimation shall be fifty shekels of silver, after the shekel of the sanctuary.

4

And if it be a female, then thy estimation shall be thirty shekels.

5

And if it be from five years old even unto twenty years old, then thy estimation shall be of the male twenty shekels, and for the female ten shekels.

Counter-Arguments

The strongest case that this verse does not belong in this theme.

Land Sabbath / Rest for the Earth

This verse discusses the monetary valuation of a male person for a vow, specifying an amount of silver. It makes no mention of land, rest, seven-year cycles, jubilee, fallow fields, or exploitation of the earth.