000 00502nam a22001337a 4500
005 20210825105903.0
008 210825b |||||||| |||| 00| 0 eng d
082 _a631.86 KIR
100 _aKirchmann Holger and Ryan Megan H
245 _aNutrients in organic farming - are there advantages from the exclusive use of organic manures and untreated minerals?/
_cHolger Kirchmann and Megan H Ryan
260 _aAustralia
_bDepartment of Soil Sciences
_c2004
300 _a16 p. :
_c30 cm.
942 _2ddc
_cAG
999 _c9731
_d9731