On the role of soil organic matter for crop production in European arable farming

Agriculture & Biology

• soil organic matter 100%
• crop production 98%
• farming systems 87%
• mineral fertilizers 70%
• long term experiments 47%
• farm surveys 41%
• farmers 34%
• sandy soils 30%
• dry climates 24%
• fertilizer application 18%
• weeds 15%
• crops 15%
• climate 15%
• potatoes 14%
• pests 14%
• environmental factors 12%
• horticultural crops 11%
• onions 9%
• sugar beet 9%
• tillage 9%
• cropping systems 9%
• animal manures 9%
• soil quality 8%
• vegetables 7%