"Snow water is rich in minerals, which can provide seedlings with nutrients for growth, and this snowfall has played a multiplier effect on the maintenance of urban landscaping. "The first spring snow in the Year of the Dragon is like a good rain in the season, from 16:00 on February 20 to 06:00 on the 21st, the cumulative average precipitation in Fengtai is 78 mm, after conversion, the Fengtai snowfall can be filled with 245 Water Cubes. Although snowfall has brought inconvenience to people's travel, it has brought benefits to the growth of seedlings and trees and the purification of the air.
Photo by Zhao Tong. 
The cumulative maximum precipitation in the whole area is located in Qingta Street
At 9 o'clock in the morning, the reporter rushed to the street park of Qingta Street as soon as possible, and took out the ruler he brought with him to measure, and the thickness of the snow ranged from 7 to 10 centimeters. According to the calculation of the snow thickness of 8 centimeters, Fengtai covers an area of 306 square kilometers, the total snowfall volume is about 24,480,000 cubic meters, and the water cube capacity of the National Aquatics Center is 1,000,000 cubic meters5 Water Cubes. The reporter learned from the Fengtai Meteorological Bureau that the cumulative maximum precipitation in Fengtai is located in Qingta Street, which is 98 mm, the cumulative minimum precipitation is located in Ho Yi sub-district is 59 mm, the precipitation of Lize Bridge is 94 mm, 9 for Fengtai Sports Center0 mm.
Photo by Yuan Zifeng. 
It is equivalent to watering winter wheat with a return to green water
This spring snow moistened 70 acres of rape flowers for winter, and also moistened the soil of the agricultural field in Dianqi Village, providing good moisture for spring planting. Liang Lizhu, the person in charge of Jingang Shengxing Resort Manor in Dianqi Village, said. In the garden, in spring and summer, you can enjoy the sea of flowers, and the flowers are splendid; In autumn, you can watch the rice field paintings, the fragrance of rice, and at the same time, you can also go into the water to pick up fun, taste the game between the rivers, and the park also provides vegetable land rental services. It is planned to plant 60 acres of colored rape flowers in the spring, and then plant rice after the rape flowers.
Equivalent to 301 for the whole district86 acres of winter wheat were watered with a return to green water, which was more beneficial to the wheat to return to green. The relevant person in charge of Fengtai District Agriculture and Rural Bureau introduced. It is understood that this snowfall can increase soil moisture, maintain a certain amount of soil moisture, facilitate the growth and development of crops, and can also freeze pests to death and replenish water for wheat. Snowfall can also improve moisture, promote wheat root rooting, improve fertilizer utilization, and promote effective tillering.
It can provide seedlings with the nutrients they need to grow.
This snowfall came at a very timely time. Snowfall not only replenishes soil moisture, but also helps to further promote the rejuvenation of seedlings. At the same time, snow water is rich in minerals, which can provide seedlings with the nutrients they need to grow. This snowfall has played a multiplier effect on the maintenance of urban landscaping. The staff of the Fengtai District Landscaping Bureau told reporters.
It is understood that in early spring, the temperature gradually rose, and the seedlings spent a long winter dormant period and began to enter the vigorous growth period. According to the arrangement of urban landscaping maintenance and the characteristics of seedlings, at this time, it is necessary to water flowers and plants with spring water, which is conducive to replenishing soil moisture and promoting the growth of seedlings. Regreening is an important stage in the life cycle of seedlings, which is related to whether seedlings can thrive and the effect of landscaping.
It has a role in removing and scouring air pollutants
The reporter learned from the Fengtai District Ecological Environment Bureau that through the monitoring of 53 groundwater points in the area, the groundwater quality in the area is relatively stable, which also reflects that after years of environmental construction and governance, the soil environment in Fengtai District has remained safe and stable, and the surface pollutants have been effectively cleaned up, and remarkable results have been achieved.
In addition, the snowfall process has played a role in removing and scouring air pollutants, reducing the concentration of pollutants in the air, as of noon on February 21, PM25. The concentration is only 10 micrograms of cubic meters, which continues to maintain an excellent level. "However, after the rain and snow, the cold air passes through and the wind increases, so it is necessary to increase the control of dust sources, do a good job of dust suppression measures, and clean up muddy roads in time to prevent air quality, especially PM10**. The relevant person in charge of the Fengtai District Ecological Environment Bureau said.
* Fengtai Times.
Reporter Zhao Zhihe Yuan Zifeng
Edited by Li Na.