I. Watering and weeding

When watering, we should adhere to the principle of "small quantity, slow watering and thorough watering". Newly planted flowers are prone to water shortage due to root damage, so they should be watered in time and thoroughly, otherwise it will easily lead to wilting or even death of flowers. The frequency of watering depends on the seasonal weather, and the flowers planted in different seasons are watered differently. Kunming is a city short of water, with a long dry season. In spring and summer, flowers grow vigorously, the temperature rises rapidly and the humidity is low. Therefore, water more, generally 2…d 1 time, less in autumn and winter, generally 0 weeks 1 time. Woody flowers and perennial flowers generally grow vigorously, with developed roots and strong resistance, 1 week. Weeds should be pulled out manually in time when found.

Second, shaping and pruning

In order to make herbaceous flowers bloom more, all those that can be picked should be picked and woody flowers should be pruned in time. During the growth of seasonal flowers, flowers are constantly dying. In case of residual flowers or branches and leaves are too long, they should be trimmed in time to maintain a good landscape effect. For example, herbaceous flowers such as Petunia, Sage, Marigold, etc. The residual flowers will be removed immediately after the flowering period of 1 crop, and new flower buds will be differentiated quickly, which can prolong the flowering period. Amaranth, colored grass and other perennial herbs should be pruned in time to prevent lodging and control plant height in order to maintain a good overall ornamental effect. More than half of the herbaceous flowers in the road green belt wither, so they should be replaced immediately after the plants wither. Generally speaking, they should be replaced …4 times a year.

Third, fertilization.

When planting, long-acting base fertilizers are applied to the soil, mainly natural decomposed fertilizers such as manure, compost and oil cake. Play a long-term role; If the chemical fertilizer is mainly slow-release compound fertilizer, it is generally applied to the soil lightly during soil preparation. In the process of flower growth, topdressing is needed, and organic fertilizer and inorganic fertilizer are used alternately, mainly inorganic fertilizer and compound fertilizer. Appropriate topdressing should be applied after flower planting, and phosphorus and potassium fertilizer should be used as the main topdressing at flowering stage, supplemented by nitrogen fertilizer to promote flowering and bright colors. Such as 1 and 2-year-old flowers topdressing, can be applied 1 time per month on average to achieve the best ornamental effect. Perennial flowers, such as woody flowers, perennial flowers and bulbous flowers, are generally fertilized 1 time after germination and growth in spring, mainly nitrogen fertilizer. The second and third fertilization is before and after flowering, the second and third fertilization is mainly phosphorus and potassium fertilizer, and the fourth topdressing of organic fertilizer is after the flower withers.

Fourth, pest control.

Summer is hot and rainy, and rot diseases such as geranium, Petunia, marigold and malachite are seriously harmful, resulting in the death of the whole plant. In sunny days, 800 ~ 1 … 000 times of chlorothalonil or 800 ~ 1 … 000 times of carbendazim solution can be sprayed for control.

Verb (abbreviation of verb) transplantation

Alopecia areata often occurs due to man-made damage, traffic accidents and other reasons. According to the varieties, colors and specifications planted in the original pattern, replanting with the same specifications, varieties and equal distances should be carried out in time to continue the original landscape effect.

Seasonal flowers are widely used in urban landscaping, better embellishing the urban environment and beautifying people's lives.