Note 151 — Chapter XXI · SOILS OF ARID AND HUMID REGIONS (Continued).
Reading edition
Wohltmann states that the hot extraction sometimes yielded as much as five times more than the cold; but no such case appears in his reports on Samoa and Kamerun.
Reading edition
Wohltmann states that the hot extraction sometimes yielded as much as five times more than the cold; but no such case appears in his reports on Samoa and Kamerun.