Elm tree is also known as spring elm, white elm, about elm tree also has a funny name, called elm wood lump. The material of the elm tree is perfect for making furniture and is often used in construction projects. Elm bark can be used to make twine and sacks, and elm fruit can also be used as medicine, which has the effect of tranquilizing the spirit and diuretic. The following take a look at the elm tree yellow leaves is how, and how to deal with.

1. insufficient light

Elm on the light requirements are very high, sufficient light to ensure that it can grow normally, if there is not enough light to allow it to carry out normal photosynthesis, will lead to it yellow leaves. Elm tree in the growth period to give it enough light is very important, if not let it sun enough, it will make its growth is hindered, leaf color dull yellow.

Treatment: move the elm tree to a place with good lighting conditions to promote its normal growth, in the sun is not strong when it gives it full sunlight, sunshine is too much attention for it to carry out appropriate shade.

2. Excessive water

The elm tree watering too much water will lead to its yellow leaves. Elm trees are very afraid of waterlogging, if you give it too much water or after the rain did not give it timely drainage of stagnant water will lead to its root system is composted, and then yellow leaves.

Treatment: timely drainage of elm pots of water, it is best to move the elm to a ventilated place to evaporate excess water, if the situation is serious, but also to the elm tree root pruning and disinfection and potting. Remember to water the elm tree dry rather than wet.

3. Insufficient nutrients

The lack of fertilizer or a long period of time without replacing the soil of the elm tree can lead to insufficient nutrients for plant growth, which will lead to yellow leaves.

Treatment: Give elm trees the appropriate amount of organic fertilizer, if the soil has not been changed for a long time to replace the elm tree in a timely manner. Maintenance process is best every two years for the elm tree to replace the soil.

4. Temperature is too low

Elm cold hardiness is relatively poor, if the culture of the environment temperature is too low will make it suffer from frost damage, and then appear physiological yellow leaves.

Treatment: give the elm tree to a warmer environment for cultivation, you can raise it in a warm room, the temperature is too low in time to do some measures to prevent cold and warmth.

5. Metabolism

When the elm tree grows to a certain time there will be some old leaves yellowing condition, this is the plant in the normal metabolism.

Treatment: normal maintenance on it can, do not worry too much.