CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 04
Experiences in evaluation of boron needs in North Carolina flue-cured tobacco production: a summary of plant tissue sufficiency data and impacts on yield and quality 
(1) Agronomic Division, North Carolina Dept. of Agriculture and Consumer Services, NC, U.S.A.; (2) Crop and Soil Science Department, North Carolina State University, NC, U.S.A.; (3) Helena Chemical Co., U.S.A.
Boron (B), an essential micronutrient for optimum plant growth, is required in trace amounts (<1.1 kg B ha-1) by flue-cured tobacco. In past decades, boron deficiency in North Carolina has not been prevalent. However, recently, its deficiency has...