id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72052	Hartikainen, Helinä	Effect of decreasing acidity on the extractability of inorganic soil phosphorus 	1981	11	.pdf	application/pdf	4563	314	60	https://www.c-info.fi/en/info/?token=9cKDcXFD4a6ZW0FX.4_lgcX7zfWGYuz5ffKRn7Q.n59cwjbG2F1GdyRIX8Z73chyBGcxadgJ2zJIo3eduKcKB1w7DfNpchKTqEkZk9yKemZQ-Gf3lERR3HPsMdNcnuz602XgieKCf9UhF3pU47uldZ2vuFPZ79Hgt6p_UkxhmTQRYqwMzAO91iUG8wPx5L8iafddTOsmIN4ota-2VSNzPRIq3Q 17 The purpose of this study was to investigate the effect of acidity on the extracta- bility of soil phosphorus. Reactions of soil phosphorus were investigated by a modified CHANG and JACKSON (1957) fractionation Table 1.	cache/afs-72052.pdf	txt/afs-72052.txt