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041 _aENG
082 _a630.5
_bTBAESUM
100 _aAgricultural Experiment Station University of Maryland
245 0 _aTechnical Bulletin Agricultural Experiment Station University of Maryland. No 493(1982)
260 _aMaryland
_bAgricultural Experiment Station University of Maryland
_c1982
300 _a469p
504 _aAgricultural Experiment Station University of Maryland: Technical Bulletin Agricultural Experiment Station University of Maryland. No 493(1982). Maryland. Agricultural Experiment Station University of Maryland, 1982.--(630.5AGR)
546 _aENGLISH
650 _aAGRICULTURE
942 _cBK
999 _c49903
_d49903