id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71593	Kaila, Armi	Total content of phosphorus in some Finnish soils	1963	8	.pdf	application/pdf	3195	155	69	Total phosphorus content in the virgin peat samples (Expressed as P mg/kg) Surface layer Deeper layers Number Number Kind of peat of Range Mean* of Range Mean* samples samples Sphagnum peat 15 220-970 600 ± 120 17 190-1180 570 ± 120 Carex-Sphagnum peat 13 360 1480 750 ± 200 21 410 1810 830 ± 190 Sphagnum- The total phosphorus content of the humus and peat soils seems to be rela- tively high, but attention must be paid to the fact that in these soils the weight of volume is rather low.	cache/afs-71593.pdf	txt/afs-71593.txt