Fertilization time and matters needing attention of hydroponic flowers

I. characteristics of fertilization

Hydroponic flowers are cultivated in a bottomless-7L container with water as the medium. How much fertilizer is applied to hydroponic flowers will all be dissolved in water, of course, once fertilization exceeds the tolerance of flower plants, it will cause harm to flowers, so the amount and types of hydroponic flower fertilization should be strictly controlled.

II. Quantity and time of fertilization

Hydroponic flowers should be fertilized in spring and autumn when they are growing vigorously, but not in winter and summer. Of course, 0.1% urea solution can be sprayed on the leaves if poor plant growth is caused by malnutrition in summer. Fertilization should follow the principle of less frequent application, and according to the number of times of changing water, generally, the nutrient solution should be added every time.

III. Fertilization technology

1. Apply fertilizer reasonably according to different kinds of flowers.

Different kinds of flowers have different adaptability to fertilizer, so it is necessary to apply fertilizer according to the characteristics of flowers and plants. For flowers with slender roots and poor fertility tolerance, the principles of light, less and sparse should be grasped when fertilizing; for flowers with fertility tolerance, the principles of less application and frequent application should be followed; for foliage flowers, nitrogen fertilizer should be applied; for flowers with colored stripes or patches on their leaves, less nitrogen fertilizer should be applied (too much nitrogen fertilizer will reduce the pattern), and appropriate application of phosphorus and potassium fertilizer For flowering flowers, in the stage of flower bud differentiation and flower bud development, fertilization is mainly phosphorus and potassium fertilizer, supplemented by nitrogen fertilizer.

2. Reasonable fertilization according to season and temperature

In hot and hot summer, it is necessary to reduce the concentration of fertilization. For flowers that are afraid of high temperature, when physiological activities are slow or even stop growing, fertilizer should be stopped, otherwise it will cause fertilizer damage.

3. Fertilizing according to the growth potential of flowers.

Indoor lighting conditions are not as good as outdoor ones, so most indoor flowers like shade or semi-shade, the plant growth is relatively thin, and the requirement for fertilizer concentration will naturally be reduced. Therefore, the concentration of fertilization should be reduced as much as possible for flowers with poor light conditions.

4. Several problems that should be paid attention to when applying fertilizer.

For flowers that have just been hydroponically cultivated, they should not be fertilized until they have adapted to the water environment; do not apply urea directly into the water, or it will cause ammonia damage to flowers and cause flower poisoning; it is found that hydroponic flowers have some bad phenomena caused by excessive fertilization, and the rotten roots should be cut off as soon as possible, and water should be changed and roots washed in time.