Gudni Thorvaldsson
- Fundamentals of Organic Agriculture – Past and Present
2008/12/15 by Holger Kirchmann, Guðni Þorvaldsson, Gudni Thorvaldsson +6 · 1 citation
Agricultural and Biological Sciences · Environmental Science · #Agriculture #Agriculture Sustainability and Environmental Impact #Agriculture, Land Use, Rural Development #Archaeology #Conviction #Environmental ethics #Geography #German #Law #Natural (archaeology) #Organic farming #Philosophy #Political science #Soil Carbon and Nitrogen Dynamics