Treatment | Shoot high (cm) | Seed yield (kg/ha) | Shoot yield (kg/ha) | Output value (Yuan/ha) | Net benefit (Yuan/ha) | To CK±% | To CK±% |
1 | CK | 3013.5 | / | 12596.4 | 7571.40 | / | / |
2 | 20 | 2127 | 2145 | 13181.9 | 7556.85 | −14.55 | −0.2 |
3 | 30 | 2293.5 | 2490 | 14566.8 | 8941.80 | 1370.4 | 18.1 |
4 | 40 | 2230.5 | 2223 | 13769.6 | 8144.55 | 573 | 7.6 |
5 | 50 | 2130 | 2563.5 | 14030.4 | 8405.40 | 834 | 11.0 |
6 | 60 | 2307 | 2880 | 15403.2 | 9778.20 | 2206.8 | 29.1 |
7 | 70 | 2347.5 | 2313 | 14438.6 | 8813.55 | 1242.15 | 16.4 |
8 | 80 | 2304 | 1870.5 | 13371.8 | 7746.75 | 175.35 | 2.3 |