00437    a2200157   4500082001500000100002300015245004200038260005600080300002400136440002800160650001600188650001600204650001600220700002200236700002100258  a631.8bBAV  aBavappa, K. V. A.   aManuring of export agricultural crops  aPeradeniyabDept. of Export Agriculturec1996g1996  aiii,14p.billc21cm  aTechnical bulletin - 10  aCultivation  aAgriculture  aFertilizers  aGunaratne, W.D.L.  aRuttimann" R. A.