000 00307nam a2200133Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a630.1
100 _aGUPTA U.S
245 0 _aCrop physiology
260 _aNew Delhi.
_bTata McGraw-Hill Pub, IN
_c1978
300 _a431p.
942 _cSR
999 _c75881
_d75881