00468    a2200145   4500020001800000082001500018100003000033245012400063260003900187300001600226650001600242650002300258650002000281700002100301  a9780217633482  a631.5bHAR  aHarris, Franklin Stewart   aThe principles of agronomybatext-book of crop production for high-schools and short-courses in agricultural colleges    aMemphisbGeneral Booksc2012g2012  a110p.c25cm  aAgriculture  aAgricultural crops  aCrop production  aStewart, George