00474    a2200157   4500020001500000082001700015100002600032245005500058260005500113300002000168440003400188650002500222650001600247650002600263700002700289  a0803223633  a338.162bECO  aHigley, Leon G. eed.  aEconomic thresholds for integrated pest management  aLIncolnbUniversity  of Nebraska Pressc1996g1997  axii,327p.c23cm  aOur sustainable futurevVol.9  aAgricultural methods  aAgriculture  aProduction efficiency  aPedigo, Larry P. eed.