Structural soil stability of the degraded test soil has been shown
to be significantly improved by about a 79% by the addition of
fermented agrowaste (Alguacil et al., 2003). The glomalin, present
in the extraradical mycelia component, is a recalcitrant glycoprotein
acting as a binding agent in the aggregation process (Lovelock
et al., 2004). An improved soil structure means an increased water
retention, nutrient uptake, drainage, aeration and root growth,
which consequently determines an improvement of soil quality
and fertility (Caravaca et al., 2002).