1. Ammonium nitrogen fertilizer: the nitrogen in fertilizer mainly exists in the form of ammonium, that is, the so-called ammonium nitrogen fertilizer, mainly including liquid ammonia, ammonium bicarbonate, ammonia water, ammonium chloride and ammonium sulfate.
2. Nitrate nitrogen fertilizer: the nitrogen fertilizer contained in it is in the form of nitrate ions, mainly including ammonium sulfate, sodium sulfate, calcium nitrate and potassium sulfate.
3. Amide nitrogen fertilizer: in addition to the above two kinds, it also exists in the form of amide group. The more common one is urea, which we are familiar with.
Nitrogen fertilizer is also known as leaf fertilizer, which is the most important component of protein. Therefore, as long as it is foliage plants or vegetables, it can not lack such fertilizer. For example, all kinds of green vegetables that need long leaves and some green plants that we maintain in our family, such as pothos, Money Tree, Chlorophytum, ivy, Anemone, Spathiphyllum and so on. Will make the plant's branches and leaves more luxuriant, especially in the seedling stage and before flowering.