Table 4. Effect of different herbicides on dry matter yield in corn & soybean mixed cropping

Dry matter yield	Treatments					SEM	p-value
	No herbicide	Pendimethalin	Linuron	S-metolachlor	Ethalfluralin
Corn stalk (ton/ha)	5.1	6.1	5.5	6.1	6.1	0.313	0.405
Corn ear (ton/ha)	1.8	2.2	1.7	2.3	2.4	0.421	0.832
Soybean (kg/ha)	383	904	680	808	963	121.0	0.146
Total (ton/ha)	7.3	9.2	7.9	9.2	9.5	0.758	0.475
Soybean proportion (%)	4.9	9.5	9.2	8.9	10.1	1.3	0.274
Relative DM yield (%)	100	126	108	126	130	-	-

Variables having different superscripts in the same rows are significantly different (p < 0.05).
SEM, standard error of the mean.