Environmental Systems Research

Table 2 Land and soil characteristics rating for irrigation of the land units

From: Irrigation suitability evaluation of Zamra irrigation scheme, Abergelle District of Wag-Himra Zone, Amhara Region Ethiopia

Land mapping unit	A		B		C		D	E		F
	Texture		Depth		CaCO₃		Drainage	EC		Slope
	Rating	Class	Rating	Cm	Rating	%		Rating	dsm⁻¹	Rating	%
SMU1	95	SCL	100	178	95	0.5	90	100	0.11	90	(3–5)
SMU2	95	SCL	100	167	95	2	90	100	0.12	95	(0–3)
SMU3	75	SL	100	134	95	0.6	95	100	0.10	70	(5–8)
SMU4	75	SL	60	39	95	3	95	100	0.06	80	(8–15)

SMU soil mapping unit, SCL sand caly loam, sand loam

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