. 2014 Jul 23;2014:180219. doi: 10.1155/2014/180219

Table 2.

Grain yield and yield components under different mulching and density treatments in 2012 and 2013 summer maize growing seasons.

Treatment	Spike number		Rows per spike		Kernels per row		1000-kernel weight		Grain yield
	(spikes m⁻²)		(rows spike⁻¹)		(Kernels row⁻¹)		(g)		(g m⁻²)
	2012	2013	2012	2013	2012	2013	2012	2013	2012	2013
M1	9.67^a	9.89^a	16.78^a	15.39^ab	27.37^d	27.45^c	294.18^c	309.04^b	1143.92^ab	1140.01^ab
N1	9.63^a	9.81^a	16.11^ab	14.44^b	27.81^cd	26.92^c	296.71^c	296.13^bc	1083.53^b	969.73^bc
M2	7.93^b	7.63^b	16.29^ab	16.17^a	30.85^b	30.16^b	326.03^b	325.7^ab	1255.44^a	1168.85^a
N2	7.63^c	7.63^b	15.82^b	16.06^a	29.52^bc	29.28^bc	299.82^c	265.3^c	1043.53^bc	906.25^c
M3	5.44^d	5.63^c	16.63^ab	16.33^a	35.37^a	35.7^a	343.11^a	358.92^a	1072.95^b	1159.73^a
N3	5.41^d	5.22^d	16.67^a	16.28^a	33.85^a	35.33^a	322.08^b	315.82^b	936.13^c	878.06^c

M	7.67^a	7.72^a	16.56^a	15.96^a	31.20^a	31.10^a	321.10^a	331.22^a	1157.44^a	1156.19^a
N	7.57^a	7.56^b	16.20^a	15.59^a	30.39^a	30.51^a	306.20^b	292.42^b	1021.06^b	918.01^b
1	9.65^a	9.85^a	16.44^ab	14.92^b	27.59^c	27.19^c	295.45^c	302.59^b	1113.72^a	1054.87^a
2	7.78^b	7.63^b	16.06^b	16.11^a	30.19^b	29.72^b	312.92^b	295.50^b	1149.49^a	1037.55^a
3	5.43^c	5.43^c	16.65^a	16.31^a	34.61^a	35.52^a	332.59^a	337.37^a	1004.54^b	1018.89^a

Means in the same column followed by different letters denote significant differences (LSD, P < 0.05).