00487naa a2200133 a 450000100080000000500110000800800410001910000190006024501720007926000090025170000180026070000190027877300560029716180271995-06-27       1988    bl ---       0--  u    #d1 aKEATING, B. A.  aEffects of length, thickness, orientation, and planting density of Cassava (Manihot esculenta Crantz) planting material on subsequent establishment, growth, and yield.  c19881 aWILSON, G. L.1 aEVENSON, J. P.  tE. Afr. Agric. For. J.gv.53, n.3, p.145-149, 1988.