000 00481nam a2200157Ia 4500
008 120822s9999 xx 000 0 und d
082 _aTH
_b633.18 S43S
100 _aSudhakara, K.
110 _anair, K.P.P.
245 _aStudies on the Zn nutrition of rice crops as influenced by organic matter addition
260 _bGBPUA&T
_aPantnagar
_c1980
300 _a136
502 _bM.Sc.Ag.
_aAgronomy
650 _a Organic fertilizerrs
650 _aRice - Fertilizers and manures
999 _c90003
_d90003