Soil quality and fertility - Weed management - Arable crops - Crop production
English - Bulgarian - Hungarian - Italian
arable farming , cover plants , plant production , crop management , mechanical weed control , conservation tillage , tillage , soil fertility , weed control , soil properties
Switzerland
Research Institute of Organic Agriculture (FiBL)
5070 Frick
Switzerland
http://www.fibl.org
info.suisse@fibl.org