id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71732	Kaila, Armi	Effect of heavy store dressing with rock phosphate on a fine sand soil	1969	10	.pdf	application/pdf	4214	172	61	The differences between the various rates of rock phosphate treatments were not statistically significant, though there was some tend- ency to higher results with larger amounts of rock phosphate. The apparent recovery of rock phosphate phosphorus by the ley crops, calculated as the difference of the amounts harvested from the treated and untreated plots, were in the three years the following, expressed as P kg/ha: 1961 1962 1963 Rock phosphate 4000 kg/ha 2.6 2.8 2.7 » » 8000 » 3.7 3.9 3.7 » » 12000 » 4.2 4.9 4.6	cache/afs-71732.pdf	txt/afs-71732.txt