id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5729	SAARELA, I.	Phosphorus in Finnish soils in the 1900s with particular reference to the acid ammonium acetate soil test	2002	15	.pdf	application/pdf	10189	495	63	Subsequent targets were the chemical fractions of soil P and the sorption of phosphate in relation to the contents of extractable Al and Fe in soils (Salonen 1941) and the amount and characteris- tics of the organic forms of soil P (Kaila 1948). Total P, mg kg–1 Chemical fractions of soil P, mg kg–1 (mean) Mean Range Organic “Al-P” “Fe-P” “Ca-P” P-satur.	cache/afs-5729.pdf	txt/afs-5729.txt