id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5634	ALAKUKKU, L.	Subsoil compaction due to wheel traffic.	1999	20	.pdf	application/pdf	11664	724	68	Although Hadas (1994) argues that subsoil compaction constitutes a problem with- in the realm of soil compaction in general and should not be a special field of research, some important differences between topsoil and sub- soil compaction nevertheless exist. The machinery traffic that causes soil compaction, which may be defined as an increase in bulk density, also causes non- volumetric changes in soil structure.	cache/afs-5634.pdf	txt/afs-5634.txt