000 00443pam a2200157a 44500
082 _a631.816
_bIg5e
100 _aIgnatieff, Vladimir
245 1 _aEFFICIENT USE OF FERTILIZERS
250 _arev. & enl.
260 _aWashington
_bFood And Agriculture Organization Of The United Nations
_c1958
300 _a355
440 _aFao Agricultural Studies
_vNo. 9
650 _aFertilizers (And Manures)
964 _gCIRC
997 _aK9537 C
999 _c388334
_d388334