id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71562	Kaila, Armi; Hänninen, Pentti	Response of winter rye to hyperphosphate and superphosphate	1961	12	.pdf	application/pdf	4578	218	61	In the less acid soil of trial K 105 hyperphosphate phosphorus seems to be found almost completely as calcium bound phosphorus whereas it has also increased in the more acid fine sand soil of trial K 104 some of the test values representing aluminium and iron bound phosphorus. Field trials Trial K 104 was on a fine sand soil, and trial K 105 was on a humus soil.	cache/afs-71562.pdf	txt/afs-71562.txt