id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71850	Pihkala, K. U.	Economics of forest land clearing for agriculture 	1975	101	.pdf	application/pdf	43874	2108	64	It has been assumed that average study farms manage with type 2, but in the marginal calculations, where extended cultivation is assumed, the cost figures are based on type 1. The data on agricultural production 311 Some figures characterizing the land use and economic size of study farms .	cache/afs-71850.pdf	txt/afs-71850.txt