1. Introduction
Nutrient enrichment through fertilizers input is a source of
small-scale anthropogenic disturbance for soil habitats. Interest in
the use of organic fertilizers, such as animal manure, has increased
with aims to reduce the use of mineral fertilizers for crop production
and to develop sustainable global agriculture (De Vries et al.,
2015). Animal manure is cost-effective and provides nutrients to
plant growth, primarily nitrogen