Reference material

Sample Id	Description	Source	In stock	Latest period	Tariff (euro)	Analytic certificate
ISE:850	calcareous clay	Spain	172	2019.1	67.5	Print
ISE:867	Forrest sandy soil	Netherlands	10	2019.4	67.5	Print
ISE:890	Sandy soil	Netherlands	21	2020.3	67.5	Print
ISE:936	Organic Clay Soil	Germany	136	1993.3	67.5	Print
ISE:938	Andosol	Nicaragua	78	1995.4	67.5	Print
ISE:944	Loess Subsoil	Netherlands	16	1995.1	67.5	Print
ISE:948	Forest Subsoil	Switzerland	1	1995.3	67.5	Print
ISE:953	Heavy Clay	Czechien	45	1995.4	67.5	Print
ISE:955	Sandy Soil	Mali	52	2002.1	67.5	Print
ISE:957	Latosol	Indonesia	12	1998.4	67.5	Print
ISE:959	Sandy Soil	Mali	8	1997.2	67.5	Print
ISE:974	Loess (acid Brown Earth)	Germany	15	1997.4	67.5	Print
ISE:975	Loess (acid Brown Earth)	Germany	5	1997.2	67.5	Print
ISE:980	Forrest Soil	Germany	51	1997.4	67.5	Print
ISE:982	Regolith on Granodioritic Rock	Slovac Republic	24	1998.2	67.5	Print
ISE:986	Sandy Soil	Netherlands	48	2019.2	67.5	Print