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Home > News & Articles > Macronutrients in Plants: Role, Function, Importance and Deficiency Symptoms
Updated on 22nd September, 2023 , 4 min read
Macronutrients in plants are of the utmost significance for encouraging optimal growth and ensuring complete nutritional health. To achieve ideal plant health and productivity, it is essential that you understand the utmost importance of these fundamental elements. This article will help you explore the utmost significance of macronutrients in plants, throwing light on their essential functions in fostering strong development and delivering unmatched nutrition. Welcome to the interesting world of macronutrients in plants.
Just as humans need food for health and growth, plants, being living organisms, also require nutrients to thrive and develop. Among these nutrients, macronutrients are particularly vital as they provide the necessary energy for the plant's growth. The three most essential macronutrients are phosphorus, nitrogen, and potassium, as they play a fundamental role in shaping plant development and the production of various plant components. Notably, nitrogen is a crucial component of chlorophyll, which is indispensable for the process of photosynthesis.
Macronutrients and micronutrients found in plants are deemed essential because they offer crucial metabolic support necessary for the plant's well-being. Without them:
Micronutrients are vital for plant growth. Examples: Iron (Fe), Manganese (Mn), Zinc (Zn), Copper (Cu), Boron (B), Molybdenum (Mo), Chlorine (Cl). Trace elements are essential for enzyme activation, photosynthesis, and nutrient uptake. A balanced micronutrient supply is vital for plant health and productivity. Testing of the soil and targeted supplementation with micronutrient-rich fertilizers promote healthy plants.
The table below shows the elements as macronutrients and micronutrients in plants:
Macronutrients | Micronutrients |
Carbon (C) | Iron (Fe) |
Hydrogen (H) | Manganese (Mn) |
Oxygen (O) | Zinc (Zn) |
Nitrogen (N) | Copper (Cu) |
Phosphorus (P) | Boron (B) |
Potassium (K) | Molybdenum (Mo) |
Calcium (Ca) | Nickel (Ni) |
Magnesium (Mg) | Cobalt (Co) |
Sulfur (S) | - |
Macronutrients are essential elements required by plants in relatively large quantities to support their growth, development, and overall health. They play vital roles in various physiological and biochemical processes within plants. Here are the functions and importance of macronutrients in plants:
Nitrogen is one of the most significant macronutrients, and it plays an essential role in the development of plants by serving in the following capacities:
Contributes to cell wall stability, helping in maintaining plant structure and strength.
Macronutrient | Deficiency Symptoms |
Nitrogen | Yellowing of leaves and development of chlorosis |
Magnesium | Yellowing of leaves and tips and margins of leaves turning upwards |
calcium | Younger leaves margins show chlorosis |
Potassium | Development of weak stalks |
Phosphorus | General metabolism getting disrupted and there are abnormalities in size and shape of chloroplasts |
Sulphur | Young leaves become chlorotic and pigmented |
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By - Nikita Parmar 2023-08-25 09:48:44 , 11 min readNutrient shortages might manifest visually as symptoms like yellowing leaves, stunted growth, or poor fruiting. Greater precision can also be attained through testing of soil and tissue.
In excess, nutrients can be hazardous to plants and lead to a number of other problems. Overapplication can be avoided by following instructions closely and checking the soil.
No, not all plants have the same needs in terms of the macronutrients. Depending on their developmental stage and surrounding conditions, different plants may have varying preferences for or higher requirements for particular macronutrients.
our plants' unique nutrient needs, the state of your soil, and how often you've applied micronutrients in the past are just a few of the variables that determine how often you should do so. Adhere to established protocols, or better yet, get the advice of a knowledgeable farmer in your area.
Conduct a soil test to determine the nutrient levels and pH of your soil. Based on the results, you can adjust the macronutrient levels by using fertilizers or organic amendments to achieve a balanced ratio.
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