Field trials are under way in England of a genetically modified (GM) wheat that strikes fear into aphids and attracts a deadly predator to devour them, providing an alternative to the insecticides

Human excreta could have a key role in securing future food security, helping prevent a sharp drop in yields of crops such as wheat due to a shortage of phosphorus inputs, a UK organic body said on Monday.

"It is estimated that only 10 percent of the three million metric tons of phosphorus excreted by the global human population each year are returned to agricultural soils," Britain's largest o