 
 <prompt> Zinc deficiency dey bad reach wetin? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Zinc deficiency na di most common micronutrient deficiency for crop plants; e dey particularly common for soils wey get high pH. Zinc-deficient soil dey for about half of Turkey and India cropland, one-third of China, and most of Western Australia, and dem don see plenty improvement when dem add zinc fertilizer for these areas. Plants wey dey grow for soils wey lack zinc dey more prone to disease. Zinc dey enter soil mainly through rock weathering, but humans don add zinc through fossil fuel burning, mine waste, phosphate fertilizers, pesticide (zinc phosphide), limestone, manure, sewage sludge, and particles from galvanized surfaces. Too much zinc fit harm plants, even though zinc toxicity no dey too common. 