id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71624	Ryti, Ritva	On the determination of soil pH	1965	10	.pdf	application/pdf	4193	202	67	Soil samples Sample Soil type Depth Mechanical analysis Org. To examine the magnitude of the suspension effect, soil suspensions were prepared as usual in water and 0.01 M CaCl 2 in ratio 1: 2.5 but doubling usual volumes to facilitate the handling and measuring.	cache/afs-71624.pdf	txt/afs-71624.txt