000 00323nam a2200145Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631
100 _aHUGHES, Harold D.
245 0 _aCrop production
250 _a3rd.
260 _aNew York.
_bMacmillan Pub,
_c1972
300 _axi, 627p.
942 _cLL
999 _c558
_d558