News tagged with agricultural yields

Can organic crops compete with industrial agriculture?

A systematic overview of more than 100 studies comparing organic and conventional farming finds that the crop yields of organic agriculture are higher than previously thought. The study, conducted by researchers at the University ...

dateDec 09, 2014 in Ecology
shares2 comments 9

Rethinking the value of sewage sludge 

Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical process that extracts ...

dateAug 16, 2013 in Environment
shares0 comments 2

UN warns 25 pct of world land highly degraded

(AP) -- The United Nations has completed the first-ever global assessment of the state of the planet's land resources, finding in a report Monday that a quarter of all land is highly degraded and warning the trend must be ...

dateNov 28, 2011 in Environment
shares0 comments 1