Author: Dr. George Ayaga Kenyan

Soil Phosphorus – from feast to famine

Professor Jinshui Wu,
Dr. George Ayaga Kenyan,
Professor Qimei Lin,
Professor Phil Brookes
Summary In the West and in rapidly developing countries, for instance China, the overuse of phosphorus (P) in fertilisers and manures can cause serious eutrophication. In Sub-Saharan Africa the opposite problem – an acute shortage of P- is a more common occurrence. Here we highlight both problems and suggest some possible solutions.  Almost all rivers, streams, ponds or lakes in the UK shows signs of eutrophication. Eutrophication firstly reveals itself as excessive weed and algal …