Table 2
Effect of different interrow space between corn & soybean on growth performance of forage

Parameters (Mean ± SE)	0 cm Corn sole (Positive control)	0 cm distance Corn soybean (Control)	5 cm distance Corn soybean	10 cm distance Corn soybean
Corn stalk height (cm)	250.4 ± 4.8	244.2 ± 6.4	260.8 ± 4.8	248.3 ± 13.5
Corn ear height (cm)	75.5 ± 4.2	66.8 ± 3.6	74.2 ± 1.2	74.2 ± 5.3
Soybean height (cm)	–	46.2 ± 6.1	52.5 ± 7.7	45.4 ± 2.1
Corn stalk number (No.)	27.0 ± 2.5	27.6 ± 1.4	27.5 ± 1.5	28.0 ± 0.5
Corn ear number (No.)	26.6 ± 1.3	26.0 ± 0.5	26.0 ± 2.0	26.0 ± 1.5
Soybean number (No.)	–	49.3 ± 4.2	33.5 ± 2.5	46.0 ± 7.0
Coupling (No.)	–	18.0 ± 1.5	16.5 ± 2.5	15.3 ± 0.6