Cotton alternated with summer non-host crops every other year produced significantly more cotton than continuous cotton with or without a nematicide. Both corn and peanut reduced Reniform populations to safe levels by the end of the 1998 growing season and remained low through the next (1999) spring prior to planting cotton. Winter cover crops did not affect Reniform populations. However, cotton yields from the vetch plots were significantly greater than those from the fallow plots and substantially greater than those from the rye plots. These differences are believed to be clue to additional nitrogen in the vetch plots and an induced nitrogen deficiency in the rye plots. Temik 15G~R (aldicarb) failed for the second consecutive year to increase cotton yields in this field.
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