I encountered this text back when I was teaching Soils at Imperial Valley College. It continues to bring a smile to my face considering the poor subjects tasting soil:water extracts.
But saltish ground, and that which is accounted bitter, where corn can never
thrive, will give proof of this effect. Snatch from the smoky roofs bushels of
close woven twigs and the strainers of the wine press. Hither let some of
that vicious mold, and sweet water from the spring, be pressed brimful; be
sure that all the water will strain out and bid drops pass through the twigs.
But the taste will clearly make discovery; and in its bitterness will distort
the wry faces of the tasters with the sensation.
Virgil (70-19 B.C.)
Materials:
1. Soil (mold) sample where Corn (wheat) can not thrive.
2. Sweet Water from the spring.
3. Close woven twigs and wine press to filter the solution.
4. Volunteer subjects to taste the extract.
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