Effect of Organic matter application on the fate of¹⁵N-labeled ammonium fertilizer in an upland soil

Earth and Planetary Sciences

• Ammonium 20%
• Amount 80%
• Biomass 40%
• Corn 13%
• Correlation 6%
• Cultivation 13%
• Fertiliser 53%
• Growth 6%
• Harvest 6%
• Magnitude 6%
• Manure 6%
• Order 6%
• Organic Material 13%
• Organic Matter 13%
• Pig 26%
• Plant 20%
• Proportion 6%
• Ratio 13%
• Sample 6%
• Straw 6%
• Topsoil 6%
• Utilization 13%
• Wheat 40%
• Winter 13%

Agricultural and Biological Sciences

• Biomass 13%
• Common Wheat 13%
• Compost 26%
• Correlation 6%
• Cows 6%
• Crops 20%
• Fields 13%
• Maize 13%
• Materials 13%
• Microbial Biomass 26%
• Pig 26%
• Soil 100%
• Topsoil 6%
• Upland Soils 6%
• Wheat 20%
• Wheat Straw 6%