id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71475	Kaila, Armi	Effect on a peat soil of application of superphosphate at various rates	1959	11	.pdf	application/pdf	4737	212	63	A comparison of these figures with the phosphorus content of the hay yield harvested in 1957 indicates that either the phosphorus uptake of the crop plants has been lower in the previous years, or the plants have been compelled to resort to soil phosphorus in a considerable degree. Soil samples were collected in September 1956 from the ploughing layers of all the plots.	cache/afs-71475.pdf	txt/afs-71475.txt