Research Article
Can Leguminous Cover Crops Partially Replace Nitrogen Fertilization in Mississippi Delta Cotton Production?
Table 3
Yearly estimates of total biological N fixed in above ground legume cover crop biomass before desiccation in 2005–2007.
| Cover crop | Total N2 fixed, kg//ha | 2005 | 2006 | 2007 |
| Austrian winter pea | | | | 0 N | 92 | 124 | 146 | 67 N, kg/ha | 149 | 117 | 178 | 134 N, kg/ha | 151 | 114 | 177 | Hairy vetch | | | | 0 N | 96 | 68 | 165 | 67 N, kg/ha | 103 | 109 | 161 | 134 N, kg/ha | 67 | 85 | 133 | LSD0.05 year × cover crop × N | | 43 | |
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