Home / Roofert / Trace Elements / Calcium EDTA 13% Calcium EDTA 13% Calcium stimulates root and leaf development, and affects uptake and activity of other nutrients. Category: Trace Elements Tags: 1kg, calcium, edta Description Description Packaging: 1kg Related products Trace Elements Trace Element Mix Trace Elements are critical for optimal plant growth, providing the plant with the ability to adapt to deficient and excessive soil conditions. Trace Elements Manganese EDTA 4.5% In plants, manganese is involved in chlorophyll synthesis and the activity of oxidase enzymes Lion Iron EDDHA 6% 3.5 ortho-ortho Trace Elements Copper EDTA 14% Copper is one of the eight essential plant micronutrients. It is required for many enzymatic activities in plants and for chlorophyll and seed production.