000 00624 am a2200205 a 4500
245 1 _aKinetics of fertilizer-n transformation and movement in soil under wetl
300 _a90p+15Fig.+22Table+3Plates+12Appen.+11Bib.
650 _aOrganic fertilizers
650 _afertilizer combinations
650 _asoil amendments
650 _afarm inputs
650 _abiofertilizers
650 _asoil types
650 _asoil sciences
502 _cPunjab Agricultural University,Ludhiana
_bM.Sc. (Soil Science)
_d1994
502 _gMeelu, O.P.
100 1 _aSingh, Varinder Pal
_d
942 _2udc
_cT
901 _aRF2916
999 _c149217
_d149217