000 | 00393nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 140317s9999 xx 000 0 und d | ||
082 | _a631.4 | ||
100 | _aPanjab Agriculture University | ||
245 | _aProc. of the International Symposium Nutrient Management for Sustained Pro-ductivity.Vol I | ||
260 |
_aLudhiana. _bPAV _c1992 |
||
300 | _a380 | ||
653 | _aSoil Science | ||
942 |
_2ddc _cBK |
||
999 |
_c13037 _d13037 |