id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71961	Salonen, Martti; Kähäri, Jorma	The nitrogen effect of peat addition in clay soil	1978	7	.pdf	application/pdf	2289	153	76	% H2O P K Ca Mg Heavy clay 1.23 3.23 - - 6.9 1.5 390 2 520 1 220 Ligno Carex peat 0.46 75.0 2.71 14.7 4.2 2.5 69 1 860 230 The pots were filled with different soils as follows-r Total Clay Peat Portion of peat nitrogen 1 kg 1 kg Soil organic matter and its role in crop production.	cache/afs-71961.pdf	txt/afs-71961.txt