Napier grass [Pennisetum purpureum (Schum.)], also
known as elephant grass, is a deep-rooted high yielding
perennial bunch grass that is native to eastern and
central Africa (Boonman, 1993). It grows in tropical and
sub-tropical regions with a wide range of annual moisture
from 750 to 2,500 mm rainfall and in altitudes ranging
from sea level to altitudes of over 2100 m, but frost
appears to limit its cultivation above this altitude
(Skerman and Riveros, 1990). It is the most popular
perennial fodder recommended for the intensively