000 00476nam a2200157Ia 4500
008 170901s1993 xx 000 0 und d
082 _a631.84
_bA17N
100 _aAbrol, Y.P
245 0 _aNitrogen
_bSoil Physiology, Biochemistry, Nicrobiology, Genetics
260 _aNew Yark
_bIndian National Science Academy
_c1993
300 _a285
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aNitrogen
942 _2ddc
_cBK
999 _c14271
_d14271