00601cam a22001814a 4500008004100000020001800041020001800059100002100077245009100098250001400189260005500203260005600258300003400314650001700348650001600365650001700381050002100398040106s2005    njuab    b    001 0 eng    a9788120343308  a97893325551811 aAcquaah, George.10aPrinciples of crop production :btheory, techniques, and technology /cGeorge Acquaah.  a[2nd ed.]  aNew Delhi, India. :bPearson Prentice Hall,c2015.  aNew Delhi, IndiabPHI Leaning Private Limitedc2005  axxvii, 740 p. :bill., maps ; 0aField crops. 0aFood crops. 0aCrop yields.00aSB185b.A27 2005