Pig slurry

What is pig slurry? Pig slurry consists in a mix of water and animal manure. It is similar to manure, but in a liquid form. Pig slurry is a mixture of farm animal…

Eutrophication: A slow asphyxia

Originally a natural phenomenon Eutrophication is an   aging phenomenon that affects water bodies (lakes, ponds). For thousands of years, on a geological age scale,…

Phosphorus: a non-renewable but essential resource for life

Phosphorus is an essential element used in agriculture. Overexploitation of phosphate rock mines suggest a lack of this resource within 10 to 20 years. There will…