id	domain	url
afs-89726	doi.org	https://doi.org/10.1080/03650340600638883
afs-89726	doi.org	https://doi.org/10.1016/j.agee.2005.06.006
afs-89726	doi.org	https://doi.org/10.1016/j.scitotenv.2016.02.020
afs-89726	doi.org	https://doi.org/10.1016/s1161-0301(98)00049-5
afs-89726	doi.org	https://doi.org/10.1007/s13593-014-0207-8
afs-89726	doi.org	https://doi.org/10.1007/s003740000252
afs-89726	www.fao.org	http://www.fao.org/3/a-i3794e.pdf
afs-89726	doi.org	https://doi.org/10.2136/sssaj2005.0404
afs-89726	doi.org	https://doi.org/10.1016/b978-0-08-100596-5.00196-7
afs-89726	doi.org	https://doi.org/10.1017/s1742170510000554
afs-89726	doi.org	https://doi.org/10.1007/s11104-009-0043-9
afs-89726	doi.org	https://doi.org/10.1016/j.still.2015.06.010
afs-89726	doi.org	https://doi.org/10.1016/s0065-2113(08)60846-9
afs-89726	www.pikk.ee	https://www.pikk.ee/upload/files/teadusinfo/lauringson_pmaruanne.pdf
afs-89726	doi.org	https://doi.org/10.1007/s10705-015-9743-0
afs-89726	doi.org	https://doi.org/10.1080/01448765.2016.1138141
afs-89726	doi.org	https://doi.org/10.1097/00010694-198611000-00006
afs-89726	doi.org	https://doi.org/10.1093/aob/mcq028
afs-89726	doi.org	https://doi.org/10.2134/agronj1982.00021962007400030037x
afs-89726	doi.org	https://doi.org/10.1016/s0038-0717(97)00178-8
afs-89726	doi.org	https://doi.org/10.1080/00380768.2003.10410025
afs-89726	www.eunep.com	http://www.eunep.com/wp-content/uploads/2017/03/n-expertpanel-nue-session-1.pdf
afs-89726	doi.org	https://doi.org/10.1080/00288233.1985.10427002
afs-89726	doi.org	https://doi.org/10.1046/j.1365-2486.2000.00308.x
afs-89726	doi.org	https://doi.org/10.3389/fpls.2016.00669
afs-89726	doi.org	https://doi.org/10.1016/j.geoderma.2006.03.028
afs-89726	doi.org	https://doi.org/10.1016/j.mex.2017.06.001
afs-89726	doi.org	https://doi.org/10.1038/nature11069
afs-89726	doi.org	https://doi.org/10.1016/j.soilbio.2004.07.027
afs-89726	www.nrcs.usda.gov	https://www.nrcs.usda.gov/internet/fse_documents/nrcseprd331820.pdf
afs-89726	doi.org	https://doi.org/10.1016/bs.agron.2017.03.003