Essay On Macronutrient Of Nutrients

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INTRODUCTION
Nutrient are important for plant growth. These are also called essential elements and required for the plant to complete its life cycle. Nutrients are important for growth and development of crop, promotes vegetative and reproductive growth, provides protection against many devastating pathogens that is responsible for the yield loss in many economically important crop. Sixteen important nutrients are vital for plant growth. These are
1. Macronutrients: These nutrients are required in higher amounts for plant growth.
a. Primary macronutrients: Primary macronutrients are the major macronutrients and these are Nitrogen (N), Phosphorus (P) and Potassium (K).
b. Secondary macronutrients: Secondary macronutrients are Calcium, Magnesium, …show more content…

Early senescence of leaves.
6. Vegetative growth is severely affected.
POTASSIUM
Potassium is a major macronutrient and required in larger amounts for growth of plants. It is found in the soil as k+. It is required by all parts of plant. It is available as potassium sulphate (K2SO4) in nutrient solution.
1. Potassium is involved in the regulation of opening and closing of stomata and therefore regulate CO2 uptake in the photosynthesis process.
2. Potassium is involved in protein synthesis.
3. Potassium is involved in respiration and helps in the process of photosynthesis.
4. Potassium plays a major role in the production of ATP. ATP is an important energy source that is involved in many chemical processes that is taking place in the plant cell.
5. Potassium triggers the activation of many enzymes that is involved in phosphorylation, photosynthesis, respiration, synthesis of chlorophyll.
6. Potassium helps in carbohydrate metabolism.
7. Potassium plays a major role in the osmoregulation in plants. The uptake of water through plant roots and its loss through stomata regulated by potassium.
8. Potassium maintain the turgidity of the cells.
9. Potassium is involved in the synthesis of starch.
DEFICIENCY SYMPTOMS
1. Die back of

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