Agricultural Expansion-Induced Infiltration Rate Change in a West African Tropical Catchment

Table 3

Summary of statistics for the log₁₀ of unsaturated hydraulic conductivity with increasing water tension ().

Water tension (cm)	Log10 Kh under cropland			Log10 Kh under fallow			Cropland vs fallow t-test value
	Mean	95% CI		Mean	95% CI
−0.1	2.29	2.11	2.46	2.57	2.46	2.68	0.0078
−0.5	2.16	1.98	2.34	2.43	2.32	2.54	0.0096
−1	2.00	1.81	2.18	2.26	2.14	2.37	0.0186
−1.5	1.83	1.63	2.04	2.09	1.95	2.22	0.0417
−2	1.67	1.44	1.90	1.91	1.75	2.07	0.0853
−2.5	1.51	1.25	1.77	1.74	1.55	1.93	0.1482
−3	1.34	1.05	1.64	1.57	1.34	1.79	0.2229
−5	0.69	0.26	1.13	0.88	0.51	1.25	0.511
−10	−0.93	−1.76	−0.10	−0.84	−1.58	−0.09	0.8674

CI: confidence interval; : sample size.