These days a lot comes from synthetic fertilizers like a 14-14-14 blend. Most can’t draw it from the air, and must use the nitrogen already present in the soil.įor most of recorded history, nitrogen been added back to soils through mulch, compost or manure. It makes up most of the gas in the atmosphere, and is present in all living tissue. Nitrogen is also one of the most abundant elements. Nitrogen is critical in the formation of strong, bright leaves, and plays a role in all functions from photosynthesis to blossoming and beyond. It’s involved in almost every aspect of how plants grow.
Nitrogen is arguably the most important element for plant growth. Always read the instructions on packaging, and be sure to stick to them! Nitrogen It’s also very strong, with almost a third of the bag comprised of active ingredients, and needs to handled carefully. It tells us that it will contain equal amounts of nitrogen, phosphorus and potassium. It also tells us how much, as a percentage by weight, and how they compare to each other.Īn NKP of 14-14-14 tells us a lot about the fertilizer in question. Those numbers are more than just what’s inside. They are the three most important nutrients for all plant function. (14) N stands for nitrogen, (14) P stands for phosphorus, and (14) K stands for potassium.
The NPK is a ratio, laying out how much of each of the big three nutrients are present.Įach letter describes the available amount of a specific element in the blend. It’s called the NPK ratio, and it lets us know exactly what that bag of fertilizer contains.
To understand what’s going on in a 14-14-14 fertilizer, let’s first take a look at what those numbers themselves mean.
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