Nitrogen, Phosphorus, Potash (Top, Middle, Bottom) Which Feeds What

Question

Nitrogen, Phosphorus, Potash: which feeds what part of the plant? I’m looking at fertilizers and want to know which feeds fruit, which feeds root and which feeds the rest of the plant.

Answer 1

These articles should help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/fertilizer-numbers-npk.htm, https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/understanding-nitrogen-requirements-for-plants.htm, https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm, https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/plants-potassium.htm