Egens sundhedsproblemer på grundvandsnære jorde

Landbrug og biologi

• aeration 14%
• Agrilus 21%
• Agrilus sulcicollis 28%
• Armillaria 38%
• bark beetles 16%
• Cambisols 18%
• clay 25%
• Coleoptera 10%
• death 10%
• defoliation 14%
• Denmark 58%
• drainage 27%
• fine roots 15%
• foresters 18%
• groundwater 89%
• growing season 10%
• insects 8%
• landscape position 20%
• meters (equipment) 14%
• monitoring 8%
• pathogens 8%
• pests 20%
• Phytophthora 15%
• Phytophthora ramorum 20%
• poorly drained soils 21%
• Quercus 75%
• rain 10%
• sandy soils 14%
• soil 41%
• stems 8%
• summer 8%
• texture 11%
• thinning (plants) 14%
• tree crown 13%
• tree mortality 17%
• water 11%
• water stress 11%
• water table 100%