00643cam a2200181 a 4500020001500000040000700015082002600022245004200048250001300090260004800103300003800151650001600189700001900205856006600224942000700290999001700297952014700314  a0424001314  cCU  a633 SYD 1988 A041 Or.00aPrinciples of field crop production /  a2nd. ed.  a[Sydney] :bSydney University Press,c1988.  ax, 463 p. :bill., maps ;c24 cm. 0aField crops1 aPratley, J. E.42uhttp://www.loc.gov/catdir/enhancements/fy0639/90114741-d.html  cEK  c12097d12097  0010406633_000000000000000_SYD_1988_A041_OR70961276aLBAbLBAcA041d2017-08-10o633 SYD 1988 A041 Or.pA18252r2017-08-10w2017-08-10yEK