When should plants use NPK?

Nitrogen breaks down faster than phosphorus or potassium, so it's usually lacking в most soils. And you'll want to spread your nitrogen applications out over the growing season. Don't apply it all at once. Якщо ви збираєтеся збирання в containers, ви хочете, щоб збалансувати fertilizer з NPK в 3:1:2 ratio.