id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hungeobull-3118	Vaitkutė, Dovilė; Baltrėnaitė, Edita; Booth, Colin A; Fullen, Michael A	Does sewage sludge amendment to soil enhance the development of Silver birch and Scots pine?	2010	18	.pdf	application/pdf	7247	451	66	However, in deeper layers carbon content was signifi cantly greater at Site S. More acidic soil conditions can increase Al+3 availability, which in turn can disturb the normal development of tree roots and minimize the uptake of macro-nutrients, such as Ca2+ or Mg2+ (Kupčinskienė, E. 2006). Response of roots trees to heavy metals.	cache/hungeobull-3118.pdf	txt/hungeobull-3118.txt