000 00379nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aRajathi Rajasingh
245 0 _aEfficiency of some newly formulated N Fertilizers on nutrients availability yield and N use efficiency under rice crop.
260 _bM.Sc Ag. Soil Science and Chemistry Thesis
260 _c1991
942 _cBK
999 _c218566
_d218566