Author Archives: James C. Locke

About James C. Locke

James C. Locke is a research plant pathologist at USDA's Greenhouse Production Research Group in Toledo, Ohio. You can eMail him at

Silicon In Floriculture Fertility Programs: Ready Research Results

Silicon (Si) is not considered an essential plant nutrient because most plant species can complete their lifecycle without it. Still, some plant species can benefit from supplemental silicon in a variety of ways. Reports on dozens of ornamental species, including gerberas, roses, asters, New Guinea impatiens, zinnias, sunflowers, poinsettias and orchids, have begun to illustrate