Tag: Sewage sludge

According to USDA regulations, any land used for organic crop production must be free of prohibited substances for a full three years before the first organic harvest. This extensive article details what are prohibited substances for organic operations in farming, livestock, and food processing.

In the mid-20th century, scientific research revealed that microbes in sewage sludge naturally produce vitamin B12. This discovery led to the question, "What vitamin is made from sludge?" While this fact is true, it is an incomplete picture of vitamin B12 production, which relies on safe, industrial fermentation methods today.

Studies show that a single person can excrete approximately 1.8 grams of phosphorus per day, confirming that feces contain phosphorus. This essential nutrient, crucial for all living organisms, is not only a component of human waste but is also abundant in animal manure, playing a vital role in the global phosphorus cycle.