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NPK

Three primary nutrients needed by plants

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Description

Nitrogen (N), Phosphorus (P), and Potassium (K), the three primary nutrients needed by plants.
 
 
NPK fertilisers are compound fertilisers that contain these three key plant nutrients in various proportions. The term ‘NPK’ is followed by three numbers (like 10-10-10 or 20-20-20), representing the percentages of each nutrient the fertiliser contains.
 
1.Nitrogen (N) is essential for plant growth and is vital for the production of proteins and genetic material. It also contributes to the green, leafy growth of plants.
2.Phosphorus (P) plays a critical role in photosynthesis, helping plants convert sunlight into energy. It’s also important for root development, flowering, and fruiting.
3.Potassium (K) helps regulate plant metabolism and affects water pressure regulation inside and outside of plant cells. This is crucial for the overall plant health, resilience, and yield.
 
Different plants require different ratios of these nutrients, so various formulations of NPK fertiliser exist. Farmers select the appropriate NPK fertiliser based on their crop needs and soil nutrient levels, often determined through soil testing.
 
Remember, while NPK fertilisers supply key nutrients, they don’t provide all the nutrients plants need. Other macro and micronutrients are necessary for plant health and must be supplied by the soil or additional fertilisers.

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