Soil organic matter response to cropping system and nitrogen fertilization

Agriculture & Biology

• particulate organic matter 100%
• cropping systems 68%
• soil organic matter 67%
• nitrogen 41%
• soil organic carbon 20%
• total nitrogen 18%
• corn 16%
• plows 10%
• fertilizer rates 10%
• soil 9%
• tillage 8%
• soil quality 8%
• Glycine max 8%
• nitrogen fertilizers 8%
• Zea mays 7%
• soybeans 6%