1. Rice Research Station Louisiana State Univ. AgCenter 1373 Caffey Rd. Rayne LA 70578
2. Delta Research and Extension Center Mississippi State Univ. P.O. Box 197 Stoneville MS 38776
3. Central Research Station Louisiana State Univ. AgCenter 2310 Ben Hur Rd. Baton Rouge LA 70820
4. Jamie Whitten Delta States Research Center USDA-ARS P.O. Box 225 Stoneville MS 38776
5. Dep. of Agric. Information Science and Education Mississippi State Univ. 130 Lloyd Ricks Mississippi State MS 39762