1. a Terralogica, Inc. , 229‐A Presidentia Drive, Greenville , DE , 19807
2. b Terralogica, Inc. , 229‐A Presidentia Drive, Greenville , DE , 19807 E-mail:
3. c Soil and Water Science Department , University of Florida , Gainesviile , FL , 32611
4. d Vegetable Crops Department , University of Florida , Gainesville , FL , 32611
5. e University of Florida Agricultural Research and Education Center , Hastings , FL , 32045–0728