000 00485nam a2200193Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.6.02
_bTRO
100 _aTroeh, Frederick R
245 0 _aSoil and water conservation
250 _aEd.2
260 _aNew Jersey
_bPrentice Hall
_c1980
650 _aCropping system
650 _aSoil erosion
650 _aSoil survey
650 _aWater erosion
650 _aWater pollution
650 _aWind erosion
942 _cBK
999 _c41098
_d41098