000 00384nam a2200121 4500
245 _aSoil : conserving the soil impraving the soil
100 _aFood and Agricultur Organization
260 _aRome
_bFood and Agricultural Organization of the United Nations
_c1970
300 _a29p.; 22cm.-
490 _aBetter farming series; no.10
500 _areprinted 1972
082 _a581.5
_bFAO
999 _c21693
_d21693