000 00338nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aMercykutty Joseph
245 0 _aStudies on continous application vs residual effect of mussooie rockphosphate on chemical properties
260 _bDept of Soil Science
260 _c1984
942 _cBK
999 _c214667
_d214667