Agriculture & Food Security

Table 2 Effects of contour ridge tillage on the production of millet varieties in Cinzana commune, Mali

From: Optimizing yield of improved varieties of millet and sorghum under highly variable rainfall conditions using contour ridges in Cinzana, Mali

			Mean values and comparisons
Year	Conservation technique	Variety	Variety	Technique	Variety × technique
a. Grain yield (kg ha⁻¹)
2012	CRT	Syn 006	1094a	963a
		Toronion (local)	831b
	Control	Syn 006	641c	602b
		Toronion (local)	563c
SE			45.6
Probability value			0.002	0.001	0.029
CRT yield increase				301
2013	CRT	Syn 006	1837a	1735a
		Toronion (local)	1497a
		Soxat	1871a
	Control	Syn 006	1063a	1113b
		Toronion (local)	1280a
		Soxat	997a
SE			309.4
Probability value			0.97	0.002	0.125
CRT yield increase				622
2014	CRT	Toroniou	1716a	1585a
		Soxat	1646a
		Boboni (local)	1166b
		HKP	1811a
	Control	Toroniou	1064b	1017b
		Soxat	1009b
		HKP	1105b
		Boboni (local)	891b
SE			102.9
Probability value			0.001	0.001	0.002
CRT yield increase				568

			Mean values and comparisons
Year	Technique	Varieties	Variety	Technique	Variety × technique
b. Straw dry mass (kg ha⁻¹)
2012	CRT	Syn 006	4048a	a
		Toronion (local)	3238a
	Control	Syn 006	3048a	a
		Toronion (local)	2476a
SE			404
Probability			0.611	0.641	0.691
CRT yield increase				881
2013	CRT	Syn 006	3514a	a
		Toronion (local)	2886a
		Soxat	4314a
	Control	Syn 006	2200a	b
		Toronion (local)	2657a
		Soxat	2514a
SE			524
Probability			0.270	0.001	0.148
CRT yield increase				1114
2014	CRT	Toroniou	7389a	a
		Soxat	7034ab
		Boboni (local)	6112b
		HKP	7563a
	Control	Toroniou	4460c	b
		Soxat	4530c
		HKP	4588c
		Boboni (local)	4460c
SE			312
Probability			0.01	0.001	0.001
CRT yield increase				2654

NB For a given year, values with different letters are statistically different at P = 0.05. Column means represent tillage techniques and row means the varieties. SE standard error of the mean

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