Research Article
Can Leguminous Cover Crops Partially Replace Nitrogen Fertilization in Mississippi Delta Cotton Production?
Table 6
Effect of cover crop, and N fertilizer on seed cotton yield in 2005–2007.
| | Seed cotton, kg/ha | | Treatments | 2005 | 2006 | 2007 |
| | Cover crop | | | | | None | 3597 | 4019 | 2624 | | Austrian winter pea | 3095 | 4407 | 2976 | | Hairy vetch | 3028 | 4269 | 2846 | | LSD0.05 | 475 | ns | ns | | N rate, kg/ha | | | | | 0 | 3171 | 3883 | 2460 | | 67 | 3216 | 4141 | 2871 | | 134 | 3331 | 4671 | 3114 | | LSD0.05 | ns | 515 | 431 | | Interactions | | | | | None × 0 N | 3263 | 3554 | 1712 | | None × 67 N | 3704 | 4060 | 2659 | | None × 134 N | 3823 | 4442 | 3499 | | Austrian winter pea × 0 N | 3198 | 4006 | 2827 | | Austrian winter pea × 67 N | 3031 | 4178 | 3106 | | Austrian winter pea × 134 N | 3053 | 5034 | 2992 | | Hairy vetch × 0 N | 3053 | 4087 | 2838 | | Hairy vetch × 67 N | 2913 | 4184 | 2846 | | Hairy vetch × 134 N | 3117 | 4534 | 2851 | | LSD0.05 | 525 | ns | 805 |
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