Subject ASC00010s6
The Quarterly journal of the Geological Society of London.
v.59 (1903), Page 136 (1903)
Smithsonian Libraries
BHL Page 41497089
Keywords
Organic Carbon and Total Nitrogen in Rothamsted Soils organic carbon nitrogen Rothamsted soil Organic carbon soils. soil nitrogen content soil carbon content organic carbon total rothamsted soils park-soil wheat-soil 1876 1893 inches per cent