N.K.P. fl"What do they stand for and what do they do?"
"N" stands for Nitrogen.
Nitrogen is the first number. Nitrogen promotes plant growth above the ground. With plenty of nitrogen a plant will grow quickly and have rich green foliage.
"P" stands for Phosphorus.
Phosphorus is the second number. Phosphorus is beneficial for healthy growth. It helps a plant grow strong roots, it helps with flower production, and it helps make plants stronger to resist diseases.
"K" stands for Potassium.
Potassium is the third number. Potassium is neccesary for growing strong plants. It helps makes them stronger to resist disease, it helps to make them less susceptible to damage from the cold, and it helps protect them from excessive moisture loss during dry spells. owering plants use more K.P.