00591nam a2200169   450000500170000000700040001700800040002102000150002504000090004005000260004910000220007524501540009726000480025130000190029950000200031865000830033820150626161220.0000000  a0471952567  aUOEL  aHD9019.S43b.K45 1989  aKelly, A. Fenwick  aSeed planning and policy for agricultural production :bthe roles of government and private enterprise in supply and contribution /cA. Fenwick Kelly  aChichester ;bJohn Wiley and Sons ,cc1989.  axiii, 182 p. :  aIncludes index   aAgricultural productionxEconomic history and conditions (National production)