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| 1. |
In plants, is there toxicity of MACRONUTRIENTS...??? |
| Answer» Micronutrients\xa0are needed in very small Amounts by the plants, but if their concentration decreases, then it causes deficiency symptoms and if it increases it causes\xa0toxicity. The nutrient is considered to be toxic which reduces the dry weight of tissue by about 10 percent.Nutrients that plants require in larger amounts are called macronutrients. About half of the essential elements are considered macronutrients:\xa0carbon,\xa0hydrogen,\xa0oxygen,\xa0nitrogen,\xa0phosphorus,\xa0potassium,\xa0calcium,\xa0magnesium, and\xa0sulfur. | |