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Table 5 Sediment associated mean annual losses of total N, available P, exchangeable K, and soil organic carbon (SOC) from the sediment leaving the runoff plots

From: The influence of grazing and cultivation on runoff, soil erosion, and soil nutrient export in the central highlands of Ethiopia

YearTreatmentsTotal N (kg ha−1 year–1)Av. P (kg ha−1 year–1)Exch. K (kg ha−1 year–1)SOC (t ha−1 year–1)
2007GL31.48b0.34b0.20b0.60b
 CL46.43a0.50a0.34a0.96a
2008GL31.82b0.47b0.23b0.66b
 CL54.05a0.57a0.40a0.82a
2009GL35.00b0.36b0.27b0.62b
 CL42.92a0.70a0.43a1.00a
AverageGL32.77b0.39b0.23b0.63b
 CL47.8a0.59a0.39a0.93a
  1. Columns with different letters are significantly different at 0.05 level, GL grazing land, CL cultivated land