Basic nutrients, also known as macronutrients, are elements that are essential for plant growth and are required in relatively large quantities. Examples of basic nutrients include nitrogen (N), phosphorus (P), and potassium (K). Alkaline nutrients, such as calcium (Ca) and magnesium (Mg), can increase soil pH when present in excessive amounts. These nutrients can contribute to the alkalinity of the soil and affect soil pH levels. Basicity and alkalinity of nutrients are not interchangeable terms. Basicity refers to the essentiality and requirement of certain nutrients for plant growth, while alkalinity refers to the ability of certain elements or compounds to increase soil pH. They represent different concepts in soil science.
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