000 00470nam a2200193Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _a631.4
082 _bRUS/SO
100 _aRussell J S
100 _eEditor
245 _aSoil factors in crop production in a semi arid environment
260 _aU S A
260 _bQueensland Press
260 _c1977
650 _aAgricultural chemistry
650 _aSoil Science
942 _cBK
999 _c231451
_d231451