000 003160000a22001450004500
060 _a100
082 _a631.84 KOR
100 _aKorenkov, D A
245 _aNitrogen fertilizers
260 _aDelhi, Oxonian Press Pvt Ltd
260 _c1983
300 _a310
650 _aAgriculture fertilizers
942 _cBK
999 _c352736
_d352736