Organic Fertilizer Posted on 11th December 201514th May 2021 by ThePD (The Project Definition) Organic Fertilizer is fertilizers derived from animal products and plant residues. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Substance and tagged environment. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.