Note 83 — Chapter III · THE POSITION OF NITROGEN IN AGRICULTURE.
Reading edition
The evidence demonstrating this is to be found in the fact that the amount of carbon found in different soils rises or falls in proportion to the nitrogen. See p. 126.
Reading edition
The evidence demonstrating this is to be found in the fact that the amount of carbon found in different soils rises or falls in proportion to the nitrogen. See p. 126.