Calcium deficiency: Plant growth is slow, growth points are malformed, young leaf margins are chlorotic, and the reticular veins of the leaves turn brown, showing rust-like leaves. Eggplant cultivation in soils grown for many years can cause calcium deficiency. Control methods: Water and fertilize on time. In the case of calcium deficiency, supplement calcium fertilizer in time, or spray with 20% calcium chloride solution, 5 days, and spray 2-3 times. Adhesive Wound Dressing,Medical Small Wound-Care Plaster,Medical Waterproof Transfusion Wound Plaster,Medical Elastic Adhesive Aid-Band Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com