In the professional horticulture, the top priority is safety. To produce a safe substrate, we need safe raw materials.
It is for that reason that the information of your base materials should be clear:
- Is the material uniform?
- What is the chemical analysis?
- What is the physical analysis?
- Are there weeds in your raw material?
- Is the material stable or does it break down easy?
- What is the availability?
- How proper is the production site?