000 00456nam a2200169Ia 4500
008 170901s2011 xx 000 0 und d
020 _a817622217
082 _a631.4
_bG96C
100 _aGustafson, A. F.
245 0 _aConservation of the Soil
260 _aDelhi
_bBiotech Books
_c2011
300 _a312
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aSoil conservation
942 _2ddc
_cBK
999 _c13157
_d13157