The 2010 ASHS Annual Conference

Allen V. Barker

Professor
University of Massachusetts
Plant, Soil, and Insect Sciences
Plant & Soil Science Dept
Bowditch Hall Box 30910
Amherst, MA
USA 01003-0910
Email: barker@pssci.umass.edu

Papers:
Calcium Deficiency in Marigold Manganese Toxicity in Marigold as Affected by Calcium