id	domain	url
agsci-612	doi.org	https://doi.org/10.30560/as.v2n1p289
agsci-612	doi.org	https://doi.org/10.2134/agronj1953.00021962004500100005x
agsci-612	doi.org	https://doi.org/10.1155/2017/5437870
agsci-612	doi.org	https://doi.org/10.5897/ajar2012.1758
agsci-612	doi.org	https://doi.org/10.3329/sja.v11i1.18387
agsci-612	doi.org	https://doi.org/10.2134/agronj1959.00021962005100090002x
agsci-612	faostat.fao.org	http://faostat.fao.org/default.aspx
agsci-612	doi.org	https://doi.org/10.3329/ijarit.v4i1.21088
agsci-612	doi.org	https://doi.org/10.2134/agronj1955.00021962004700070009x
agsci-612	doi.org	https://doi.org/10.18805/ijare.v0iof.7105
agsci-612	doi.org	https://doi.org/10.1023/a:1002913228101
agsci-612	doi.org	https://doi.org/10.18782/2320-7051.5878
agsci-612	doi.org	https://doi.org/10.2298/jas1601019a
agsci-612	creativecommons.org	http://creativecommons.org/licenses/by/4.0/)