- Agronomic: potatoes
- Pest Management: mulching - vegetative
- Production Systems: organic agriculture
- Soil Management: soil analysis, soil quality/health
Johan van Acterberg, will compare weed growth, insect and rodent damage and yields of potatoes in three different, un-irrigated organic systems. The potatoes will be planted in soil top-dressed with leaves, in rototilled soil with six inches of leaves applied as mulch an in a rototilled plot followed by seeding with hairy vetch.