Table A1. Descriptive statistics Dikes...

Table A1.

Descriptive statistics

	Dikes			Crop rotation			Certified seed
Variables	Yes %	No %	Difference	Yes %	No %	Difference	Yes %	No %	Difference
Dependent variables
Minimum productivity (kg/ha)	627.73	840.02	212.28**	572.03	766.30	194.26***	743.04	645.61	−97.42
Maximum productivity (kg/ha)	944.97	1110.63	165.65	825.93	1157.30	331.36***	1042.88	958.21	−84.67
Household head characteristics
Household size	8.28	8.21	−0.69	8.21	8.34	0.12*	8.14	8.28	0.13
Female head of household	10.67	15.49	0.48***	10.92	11.73	0.008	13.94	11.02	−0.029*
Age of head of household (year)	52.38	53.49	1.10***	52.95	51.93	−1.01***	52.73	52.50	−0.22.58
Marital status	89.93	85.16	0.47***	90.11	88.31	−0.017***	87.45	89.52	0.02*
Without school level	72.22	68.64	0.36**	70.42	73.76	0.033***	66.81	72.28	0.054***
Primary level	14.20	15.41	0.12	15.14	13.26	−0.018**	17.18	14.09	−0.03*
Secondary level	9.72	12.11	0.23**	10.95	8.71	−0.022***	11.67	9.86	−0.018*
Higher level	2.21	2.42	0.002	1.99	2.56	0.005**	1.72	2.28	0.005
Wolof language	19.69	21.36	0.16	20.28	19.35	−0.009	22.91	19.62	−0.032*
Agricultural training	3.32	2.49	−0.008	3.5	2.84	−0.006*	3.24	3.22	−0.0001
Area (ha)	1.36	1.02	−0.33***	1.55	0.99	−0.55***	1.58	1.29	−0.29***
Inputs
Manual work	54.72	83.62	0.28***	44.46	77.28	−0.55***	56.64	58.41	0.017
Drawn work	77.88	45.88	−0.31***	87.35	55.51	0.32***	67.45	74.55	0.07***
Motorized work	0.22	0.58	0.03	0.13	0.44	−0.31***	1.08	0.19	−0.008***
Organic fertilizer	35.63	38.03	0.23	41.83	27.79	−0.14***	31.02	36.37	0.053*
Mineral fertilizer	24.81	30.24	0.05***	29.12	20.44	−0.086***	37.18	24.41	−0.12***
Seed origins
Personal reserve	72.15	70.33	−0.01	71.20	72.94	0.017**	51.67	73.77	0.22***
Purchase on the local market	24.02	18.79	−0.05***	26.22	19.46	−0.067***	17.62	23.90	0.06***
Purchase with state subsidy	8.30	8.88	0.005	9.23	7.17	−0.02***	38.16	5.67	−0.32***
Purchase with patner subsidy	1.17	2.79	0.016***	1.14	1.68	0.005*	6.16	0.94	−0.05***
Purchase from specialized firms	0.64	1.68	0.01***	0.99	0.47	−0.005***	1.72	0.68	−0.01***
Agroecological zones
Senegal River valley	10.24	9.54	−0.007	9.17	11.51	0.023***	6.27	10.51	0.042***
Niayes	8.46	21.80	0.13***	8.91	11.73	0.028***	15.47	9.61	−0.058***
Agro-silvo-pastoral zone	16.66	4.03	−0.12***	18.22	10.83	−0.07***	6.27	15.91	0.09***
Groundnut basin	35.20	21.73	−0.13***	32.68	43.76	0.02**	28.75	33.99	0.05*
Eastern Senegal	8.87	16.37	0.07***	11.05	8.05	−0.029***	9.4	9.82	0.0042
Casamance	20.46	26.43	0.05***	19.82	23.07	0.032***	33.72	20.05	−0.13***

	Dikes			Crop rotation			Certified seed
Variables	Yes %	No %	Difference	Yes %	No %	Difference	Yes %	No %	Difference
Dependent variables
Minimum productivity (kg/ha)	627.73	840.02	212.28**	572.03	766.30	194.26***	743.04	645.61	−97.42
Maximum productivity (kg/ha)	944.97	1110.63	165.65	825.93	1157.30	331.36***	1042.88	958.21	−84.67
Household head characteristics
Household size	8.28	8.21	−0.69	8.21	8.34	0.12*	8.14	8.28	0.13
Female head of household	10.67	15.49	0.48***	10.92	11.73	0.008	13.94	11.02	−0.029*
Age of head of household (year)	52.38	53.49	1.10***	52.95	51.93	−1.01***	52.73	52.50	−0.22.58
Marital status	89.93	85.16	0.47***	90.11	88.31	−0.017***	87.45	89.52	0.02*
Without school level	72.22	68.64	0.36**	70.42	73.76	0.033***	66.81	72.28	0.054***
Primary level	14.20	15.41	0.12	15.14	13.26	−0.018**	17.18	14.09	−0.03*
Secondary level	9.72	12.11	0.23**	10.95	8.71	−0.022***	11.67	9.86	−0.018*
Higher level	2.21	2.42	0.002	1.99	2.56	0.005**	1.72	2.28	0.005
Wolof language	19.69	21.36	0.16	20.28	19.35	−0.009	22.91	19.62	−0.032*
Agricultural training	3.32	2.49	−0.008	3.5	2.84	−0.006*	3.24	3.22	−0.0001
Area (ha)	1.36	1.02	−0.33***	1.55	0.99	−0.55***	1.58	1.29	−0.29***
Inputs
Manual work	54.72	83.62	0.28***	44.46	77.28	−0.55***	56.64	58.41	0.017
Drawn work	77.88	45.88	−0.31***	87.35	55.51	0.32***	67.45	74.55	0.07***
Motorized work	0.22	0.58	0.03	0.13	0.44	−0.31***	1.08	0.19	−0.008***
Organic fertilizer	35.63	38.03	0.23	41.83	27.79	−0.14***	31.02	36.37	0.053*
Mineral fertilizer	24.81	30.24	0.05***	29.12	20.44	−0.086***	37.18	24.41	−0.12***
Seed origins
Personal reserve	72.15	70.33	−0.01	71.20	72.94	0.017**	51.67	73.77	0.22***
Purchase on the local market	24.02	18.79	−0.05***	26.22	19.46	−0.067***	17.62	23.90	0.06***
Purchase with state subsidy	8.30	8.88	0.005	9.23	7.17	−0.02***	38.16	5.67	−0.32***
Purchase with patner subsidy	1.17	2.79	0.016***	1.14	1.68	0.005*	6.16	0.94	−0.05***
Purchase from specialized firms	0.64	1.68	0.01***	0.99	0.47	−0.005***	1.72	0.68	−0.01***
Agroecological zones
Senegal River valley	10.24	9.54	−0.007	9.17	11.51	0.023***	6.27	10.51	0.042***
Niayes	8.46	21.80	0.13***	8.91	11.73	0.028***	15.47	9.61	−0.058***
Agro-silvo-pastoral zone	16.66	4.03	−0.12***	18.22	10.83	−0.07***	6.27	15.91	0.09***
Groundnut basin	35.20	21.73	−0.13***	32.68	43.76	0.02**	28.75	33.99	0.05*
Eastern Senegal	8.87	16.37	0.07***	11.05	8.05	−0.029***	9.4	9.82	0.0042
Casamance	20.46	26.43	0.05***	19.82	23.07	0.032***	33.72	20.05	−0.13***

Note(s):

***<0.01, **<0.05, *<0.10

Source(s): Authors’ own work

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