id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71515	Heinonen, Reijo	Density, amount, and carbon content of organic matter in soils – some methodical reflections	1960	3	.pdf	application/pdf	1051	56	52	The material consisted of 94 samples of varying texture and organic matter content but of uniform geological origin (glacial sediments). Summary The density of soil organic matter has been derived from an equation represent- ing the regression of soil density on the clay and organic matter contents.	cache/afs-71515.pdf	txt/afs-71515.txt