Low potato yields in Kenya: do conventional input innovations account for the yields disparity?

Table 4 Adoption of clean seeds, proper use of fertilizers and use of fungicides

	Seeds			Fertilizer			Fungicides
Variable	Coefficient	Robust SE	P	Coefficient	Robust SE	P	Coefficient	Robust SE
Age	-1.480892	1.045255	0.157	-0.3782178	0.3851948	0.326	-0.1278965	0.4698768
Gender	-0.321191	0.7842926	0.682	-0.1184211	0.4007041	0.768	-0.4856607	0.4495826
Education	0.9821727	0.5520274	0.075*	0.2845236	0.3259048	0.383	0.4638435	0.3788872
Size of land	0.0258104	0.0465198	0.579	-0.0391673	0.0398019	0.325	-0.0846073	0.0458748
Employment status	0.0255295	0.8811416	0.977	0.8092282	0.5437259	0.137	-0.0704882	0.8370973
Irrigation	0.4484032	0.799934	0.575	-1.18545	0.392375	0.003**	0.4234932	0.5356169
Number of cows	0.1624452	0.1127645	0.15	0.016982	0.0854269	0.842	0.2514047	0.1170051
Region	-0.2813659	0.8075803	0.728	2.297463	0.3866888	0***	-1.164979	0.5331393
Visited	1.692598	0.6676563	0.011**	0.4122967	0.3488554	0.237	0.343017	0.4321116
Ownership of media equipment	-0.8326009	0.8493516	0.327	0.6678926	0.8132582	0.412	0.193444	0.6770312
Member of farmers group	0.242039	0.5296039	0.648	0.7640476	0.3192164	0.017**	0.2863781	0.5342112
Use clean seeds				1.280824	0.5803187	0.027**	-0.1089398	1.212624
Proper fertilizer use	1.293441	0.6205842	0.033**				0.6277023	0.7238252
Use fungicides	0.2355052	1.908216	0.879	0.5306858	0.7029454	0.45
Constant	-5.995303	3.703948	0.036	-3.941271	1.307758	0.003	2.065371	0.761221
Log likelihood	-56.639018		0.0***	-143.30835		0.0***	-97.736995
Chi-square statistic	50.79			63			18.55
Pseudo-R 2	0.2179			0.2097			0.068*
Number	379			379			379

Results as presented are for estimation of the probability of adopting the three innovations. *P <0.1, **P <0.05, ***P <0.01 (two tailed test).

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