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Table 1 Effects of treatments on the advance of wetting front

From: Effects of sodium polyacrylate on water retention and infiltration capacity of a sandy soil

Treatments	*Z = at* ^b	R ²	*a ⋅ b*
CK	Z = 7.30t ^0.6	0.9975	4.36
SP_0.08	Z = 5.27t ^0.65	0.9859	3.45
SP_0.2	Z = 4.81t ^0.64	0.9924	3.06
SP_0.5	Z = 4.27t ^0.5	0.9961	2.13
SP₁	Z = 1.75t ^0.39	0.9840	0.69

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