id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71588	Pessi, Yrjö	The effect of nitrogen fertilization on the humification of the peat in cultivated Sphagnum bogs	1962	3	.pdf	application/pdf	1042	56	50	As the mobilization of nitrogen is quite minimal in Sphagnum peat, which is the reason why nitrogen fertilization occupies a key position in the cultivation of Sphagnum bogs, for instance, it is to be expected that nitrogen fertilization also has its significance Fertilization Volume weight Increment PK 0.262 NPK 0.288 +0.026 2NPK 0.288 +0.026 3NPK 0.316 +0.054 F-value 5.39* The results of the investigation presented in the accompanying table reveal that the volume weight of the ash-free, dry peat was higher in the treatments with nitrogen fertilization than in the PK treatment.	cache/afs-71588.pdf	txt/afs-71588.txt