id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
abc-488	Cseresnyes, Imre; Csontos, Peter	Soil seed bank of the invasive Robinia pseudoacacia in planted Pinus nigra stands	2012	12	.pdf	application/pdf	5061	256	63	If this applies for black locust, then the ratio of viable seeds in the lower soil layer compared to the total amount of soil seed bank should be increased under older tree individuals. 2. Average densities of soil seed bank in the upper (0–6 cm) and lower (6–12 cm) soil layers under Robinia pseudoacacia trees growing in Pinus nigra stands, in Hungary.	cache/abc-488.pdf	txt/abc-488.txt