When to apply nitrogen fertilizer for flower cultivation? Which ones?

Nitrogen fertilizer is a chemical fertilizer containing crop nutrient element nitrogen. Elemental nitrogen plays a very important role in crop growth. So when do you apply nitrogen fertilizer to grow flowers? What do you have? Let's take a look at it.

When do you apply nitrogen fertilizer to grow flowers?

Nitrogen fertilizer mainly promotes the growth of stems and leaves of flowers, but if it exceeds the growth needs of flowers, it will delay flowering, make stems grow, and weaken resistance to diseases. Annual flowers need less nitrogen fertilizer at the seedling stage. as it grows, its demand increases gradually. Biennial flowers and perennial flowers need a lot of nitrogen fertilizer at the beginning of spring growth and should meet their needs. Flowering flowers and foliage flowers have different requirements for nitrogen fertilizer. Foliage Huaqi needs more nitrogen fertilizer in the whole growing period. in order to ensure that the leaves are beautiful in a long period of time; for flowering species, they only need more nitrogen fertilizer in the vegetative growth stage, and should be controlled after entering the reproductive stage, otherwise the flowering period will be delayed.

What are the nitrogen fertilizers for growing flowers?

1. Pour the waste oil from the oil storage box of the range hood into the soil along the edge of the flowerpot, which is suitable for making flower fertilizer for Fusang, jasmine, etc.

2. Mash the spoiled glucose powder and sprinkle it around the flowerpot soil. Three days later, the yellow leaves turn green and grow vigorously. This method is suitable for hanging orchids, thorns, evergreens and tortoise bamboos.

3. Fruit peel and rotten vegetable leaves. Directly mix it into 2/3 sand or put it into small buckets, pots and other containers to seal the mouth tightly with mud and turn it into humus soil, which can not only plant flowers directly, but also be applied as flower fertilizer.

4. Chicken and duck feathers, pig hair, hair and horns of livestock hooves. Directly buried in the flowerpot or soaked in retting are good phosphorus and potassium fertilizers, and the fertilizer effect can last for more than two years.

5. Traditional Chinese medicine residue. It is a kind of clean, nutrient-rich flower fertilizer, mixed on the surface of the basin soil, can improve the basin soil and keep the basin soil moist. If soaking and retting into rotten fertilizer and water, the fertilizer effect is better.