Ecological Processes

Table 6 Runoff associated annual losses (kg ha⁻¹ year⁻¹) of total nitrogen, available phosphorus (P), and exchangeable potassium (K)

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

Year	Treatments	Total nitrogen	Available P	Exchangeable K
2007	GL	7.43^a	0.66^a	1.34^a
	CL	8.72^a	0.48^a	1.40^a
2008	GL	10.92^b	0.91^b	2.18^a
	CL	12.25^a	1.22^a	2.05^a
2009	GL	9.55^a	0.91^a	2.45^a
	CL	9.24^a	0.90^a	2.06^a
Average	GL	9.30^a	0.83^a	1.84^a
	CL	10.07^a	0.87^a	1.99^a

Columns with the same letters are not significantly different at 0.05 level, CL cultivated land, GL grazing land

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