id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5738	TALKKARI, A.; JAUHIAINEN, L.; YLI-HALLA, M.	Geostatistical prediction of clay percentage based on soil survey data	2002	10	.pdf	application/pdf	4849	274	63	Key words: clay soils, geostatistics, kriging, sampling, soil types, spatial variation Introduction In precision farming fertilizers are applied to meet the needs of the crop and, on the other hand, to avoid excessive applications with the associ- ated environmental implications. Responding to soil variation at any scale requires suitable systems for processing the data and gen- erating from it information to assist in making decisions (Lark and Bolam1997).	cache/afs-5738.pdf	txt/afs-5738.txt