id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72122	Aura, Erkki	Soil compaction by the tractor in spring and its effect on soil porosity 	1983	17	.pdf	application/pdf	5150	277	74	The pore diameter corresponding to the water potential was calculated using the formula (e.g. CZERATZKI 1958): d - T- where d = pore diameter in cm h = absolute value of capillary potential of soil water expressed as height of water column in cm Results a. Effect of soil compaction on the porosity conditions The results for the profile samples are shown in Figures 1, 2 and 5. Soil compaction by the tractor in spring and its effect on soil porosity ERKKI AURA Agricultural Research Centre, Department of Agricultural Chemistry and Physics, 31600 Jokioinen Abstract.	cache/afs-72122.pdf	txt/afs-72122.txt
