id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71495	Kaila, Armi	Effect of superphosphate on the retention of phosphorus by peat soil	1959	9	.pdf	application/pdf	3642	161	58	In the present paper this problem is treated on the basis of results obtained from the analyses of soil samples originating from a field trial on peat soil to which superphosphate has been continuously applied at different rates for 34 years. According to Teräs- vuori, it represents the sesquioxide-bound inorganic phosphorus on which in acid soils the maintaining of the phosphorus concentration in soil solution largely depends.	cache/afs-71495.pdf	txt/afs-71495.txt