id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5909	REINTAM, E.; TRÜKMANN, K.; KUHT, J.	Effect of Cirsium arvense L. on soil physical properties and crop growth	2008	12	.pdf	application/pdf	7067	340	71	Results Field survey The field survey on Estonian arable land affected by C. arvense, which have been abandoned for four years and than re-cultivated, revealed the loosen- ing effect of C. arvense roots on compacted soil. The results in the field experiment confirm the hypothesis that C. arvense roots are able to penetrate and loosen compacted soil.	cache/afs-5909.pdf	txt/afs-5909.txt