“It smells somewhere between dead fish, spoiled milk and human waste,” one frustrated resident ... But, as organic fertilizer that growers don’t have to pay an arm and a leg for, they ...

Chennai: K Velankanni, a fish vendor from Nambikkai Nagar in Pattinampakkam, takes delight in her customers complimenting her ...

As the fish eat and grow they produce waste. The wastewater is given to plants as a fertilizer. The plants absorb the nutrients in the water and they are returned to the fish tanks. A natural ...

By lowering the pH of the waste-derived liquid fertilizer, the phosphorus will dissolve and produce high phosphorus content, before the pH is restored to its original level. "This research ...

Phosphogypsum, a solid waste byproduct from processing phosphate ore to make chemical fertilizer ... killing thousands of ...

The Horizon Europe AQUAPHOENIX project, which started in January 2025, aims to capture and reuse aquaculture waste by collecting sludge (excess feed and feces) beneath fish farms in Hardangerfjord ...