000 00464nam a2200157Ia 4500
008 140712s9999 xx 000 0 und d
020 _c 70
041 _aENG
080 _a631.43
_bABR-N
245 _aNitrogen
_bsoils, physiology, biochemistry, microbiology, genetics
260 _c1993
_aNew Delhi
_bIndian National Science Academy
300 _a285
650 _aNitrogen FertilizersSoil FertilitySoil Sciences
700 _aAbrol, Y. P.
942 _2UDC
_cBK
999 _c6461
_d6461