Soil – the heart and soul of organic growing
Organic farming and carbon
OCW has published a report of current evidence concerning the effects of organic farming on soil carbon sequestration.
Soil Use and Management, 2005, 21
A journal article on available P and K in organic grassland
Modelling manure NPK flows
Modelling manure NPK flows in organic farming systems to minimise nitrate leaching, NH3 volatilization and NO2 emissions (OF0197)
Poultry Breed and Feed Trials
How changes in organic certification will affect breed and feed