id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71762	Kaila, Armi; Elonen, Paavo	Influence of irrigation and placement of nitrogen fertilizers on the uptake of nitrogen by spring wheat	1970	8	.pdf	application/pdf	3438	158	56	Lack of movement into the root zone of even nitrates applied as surface dressing to spring cereals was demonstrated in Finnish field experiments, and placement or working in of nitrogen fertilizers was recommended (Kaila and Hänninen 1961). Because of the usual dry period in the beginning of the summer in Finland, attention has also been paid to the possibilities of improving the efficiency of nitrogen fertilizers by irrigation (Elonen et.	cache/afs-71762.pdf	txt/afs-71762.txt