Chapter 37 notes - Chapter 37 Plant Nutrition Nutritional...

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Chapter 37 Plant Nutrition Nutritional Requirements of Plants Essential Nutrients: required for the completion of plant life cycle returning back to seeds (see table 37.1) Macronutrients  large amounts required by plant   carbon, oxygen, hydrogen, nitrogen, sulfur, phosphorus, potassium, calcium,  magnesium Micronutrients  Very small amounts needed by plant Usually act as cofactors of enzyme action chlorine, iron, boron, manganese, zinc, copper, molybdenum, nickel Mineral Deficiency   when any of the essential elements are deficient in the soil, the plant exhibits deficiency  symptoms which disappear after the problem is corrected  symptoms depend on the function of that nutrient in plant and mobility of nutrient within plant chlorosis:  yellowing of leaves  lack of magnesium = present in chlorophyll lack of iron = chlorophyll production not possible
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