...percentage of nitrogen ; that from Niverville nearly twice as high a percentage as in the first six or nine inches of ordinary arable land, and about as high...the surface soil of pasture land in Great Britain. The soil from Brandon is not so rich as that from Niverville, still the first twelve inches of depth...

...twice as high a percentage as in the first six or nine inches of ordinary arable land, and about an high as in the surface soil of pasture land, in Great Britain. The soil from Brandon was not so rich as that from Niverville; still the first twelve inches of depth...

...showed a very high percentage of nitrogen ; that from Niverville nearly twice as high a percentage as in the first 6 or 9 inches of ordinary arable land, and about as high as the surface soil of pasture land in Great Britain. That from Brandon was less rich ; still the first...

...crops of cereals. The percentage of nitrogen in the dry soil of the first 12 inches of depth is 0'201, or nearly twice as high as in the first 6 or 9 inches...inches is about as rich as the second 9 inches of the Rotbamsted soils, but the fourth is low. Here, however, we have a depth of 24 inches very much richer...

...crops of cereals. The percentage of nitrogen in the dry soil of the first 12 inches of depth is 0'261, or nearly twice as high as in the first 6 or 9 inches...inches is about as rich as the second 9 inches of the Botbamsted soils, bat the fourth is low. Here, however, we have a depth of 24 inches very much richer...