000 00331nam a2200121Ia 4500
008 161002s9999 xx 000 0 und d
100 _aSaravanan A.
245 0 _a15 N Studies on nitrogen use efficiency and balance in Rice-Soil system
563 _aHOT COPY
652 _aNIL
700 _f1990
_aDr. T.S.Manickam
942 _cTH
999 _c110897
_d110897