Good Source of Calcium for Plants | Home Guides | SF GateAdding amendments to soil can make more calcium available to plants. . Powdered lime, or calcium carbonate, is another good source of calcium for garden.source of calcium for plants,Calcium Foliar Spray – Making Calcium Spray For PlantsNov 26, 2016 . To make calcium spray for plants with eggshells, boil 20 eggs in a pan . Chamomile contains sources of calcium, potash and sulfur, and as.
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