000 00479 a2200157 4500
080 _a631.81
_bF 686 F
245 1 _aFertilizers and their use
_bA pocket guide for extension officers
250 _a2nd edn.
260 _aRome
_bFood and Agriculture Organization of the United Nations
_c1970
650 _aFertilizer Use
650 _aExtension Officers
700 _aFood and Agriculture Organization of the United Nations
100 _a
_d
300 _a54 p.
901 _a107133
999 _c45379
_d45379