Elms often grow between 65,438+0,000-2,500 meters above sea level, and are often distributed in hillsides, valleys, rivers, hills, sand mountains and other places. It likes sunshine environment, has strong adaptability to soil, is drought-resistant and barren, and grows well in alluvial soil and loess plateau with deep soil layer, fertile soil and good drainage, and is not resistant to water and humidity.

How to raise elm trees

It is best to plant elm on loose, fertile and well-drained sandy soil, and ensure at least 8 hours of light every day. Don't water it too much, otherwise the roots will rot easily. Fertilize once every half a month during the growth period and once in winter, and pay attention to pruning in time, and don't prune in the rainy season.

Yushu watering

Elm is not tolerant to waterlogging, so it should be watered properly at ordinary times, without water accumulation, slightly dry and not too wet. When the temperature is high in summer, you can increase the number of watering, but you should also keep a proper amount of water spraying, control watering in winter and water as little as possible.

Elm fertilization

During the growth period of elm from April to June 10- 15 days, dilute organic fertilizer or cake fertilizer can be applied once, and nitrogen, phosphorus and potassium fertilizer can be used in a balanced way to promote the vigorous growth of plants. Before entering the house in winter, you can apply an organic fertilizer or cake fertilizer with phosphorus and potassium fertilizer as the main factor.

Yushu pest control

The main pests of elm are elm moth and green-tailed silkworm moth, which can be lured and killed by light, removed by hand, or controlled by natural enemies such as soil bees, wasps and sparrows. At flowering stage, metoclopramide EC or pyrethroid EC can be sprayed on plants.

Yushu family rearing method

Elm is suitable for growing in sunny places, and its branches will be strong under sufficient light. Generally, water is poured once every 5-7 days to keep the soil as dry as possible, and fertilizer is applied once every half month to make the soil full of nutrients. In addition, in the growing period, we should thin branches and leaves, and cut off waste branches and useless branches before winter to reduce nutrient consumption and help them survive the winter better.

Matters needing attention in elm conservation

Elm needs to be replaced every 2-3 years, mainly because the nutrients in the soil have been exhausted, so it needs to be replaced with loose and fertile soil. Good ventilation environment should be provided for indoor maintenance. If the environment is sultry, it will make its leaves dry and yellow.