NEET BIOLOGY

Detailed explanation-1: -The three main nutrients are nitrogen (N), phosphorus (P) and potassium (K). Together they make up the trio known as NPK. Other important nutrients are calcium, magnesium and sulfur.

Detailed explanation-2: -Potassium (K) is an essential nutrient for plant growth. It’s classified as a macronutrient because plants take up large quantities of K during their life cycle.

Detailed explanation-3: -Kelp Meal: Available dried or liquid, kelp and seaweed offer potassium to the soil in a fairly quick-release form. Greensand: Mined from ancient former sea beds and is rich in a number of minerals including potassium. It’s used both as a fertilizer and a soil conditioner, or it can be mixed with compost.

Detailed explanation-4: -Phosphorous is used by plants to help form new roots, make seeds, fruit and flowers. It’s also used by plants to help fight disease. Potassium helps plants make strong stems and keep growing fast.

Detailed explanation-5: -Elements used in large quantities by the plant are termed macronutrients, which can be further defined as primary or secondary. The primary nutrients include nitrogen (N), phosphorus (P), and potassium (K).