id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71616	Pessi, Yrjö	Points to be considered in the establishment of long-term field trials	1964	5	.pdf	application/pdf	1838	80	62	The ash contents (per cent), of the tilled layers in soil improvement tests, after cultivation during 37 and 28 years (test No. 1 and No. 2, respectively). Since the soil improvement treatments in test No. 2 were applied by test plots, all plots which received no mineral soil addition are only 6.67 m in length in the direction in which the tilling machines moved.	cache/afs-71616.pdf	txt/afs-71616.txt