Disadvantages of unprocessed animals fertilizers
- Containing various fungal and microbial diseases
- There are many types of weed seeds
- Increasing the cost of spraying herbecides and pesticids and tillage operations
- Because of the biological activity of raw fertilizers, their direct use makes food away around the root.
- Humus is not formed due to lack of processing, and thus has a very low nutritional value and humic material
