Tag: potassium

Nitrogen, phosphorus and potassium—commonly referred to as NPK—are the three essential macronutrients. They’re called macronutrients because plants require them in large quantities, which is why they’re often regarded as the most important for plants.Each plays vital roles in plant development. Nitrogen is a fundamental part of both amino acids, the building blocks of protein, and nucleic acids (DNA and RNA), while phosphorus is essential for photosynthesis, and potassium regulates water use.Because growers must supply these nutrients in hydroponics, it’s important …