Job Recruitment Website - Zhaopincom - What's the matter with the yellow leaves of elm, three reasons for the yellow leaves falling off and the treatment strategies?
What's the matter with the yellow leaves of elm, three reasons for the yellow leaves falling off and the treatment strategies?
Causes of yellow leaves falling off of elm
Too much water: watering the elm tree too much water will cause its yellow leaves to fall off. Elm is afraid of waterlogging. If it is watered too much or it is not drained in time after being caught in the rain, its roots will be damaged and its leaves will turn yellow.
Low temperature: Elm likes warm growing environment, and its cold tolerance is relatively poor. If the temperature of the cultivation environment is too low, it will freeze, affect the growth of leaves, and then appear physiological yellow leaves.
Insufficient nutrients: elm likes fertilizer. If they don't apply enough fertilizer during the growing period or don't change the soil for a long time, they will all lack the nutrients needed for plant growth, and then the yellow leaves will fall off.
Treatment of yellow leaves of elm tree
1. If the yellow leaves of elm trees are caused by too much water, they should be drained in time. It is best to move the elm to a ventilated place to evaporate the excess water. In serious cases, elm trees should be disinfected and changed pots after pruning. Remember to water dry, not wet.
2. If the temperature of elm yellow leaves is too low, change to a warmer environment for cultivation. You can put it in a warm room. When the temperature is too low, we should do some cold-proof and warm-keeping measures for it in time.
3. If the yellow leaves of elm are caused by insufficient nutrients, an appropriate amount of organic fertilizer should be topdressing. If the soil has not been changed for a long time, it should be changed in time. It is best to change the soil every two years during the maintenance of elm trees.
Prevent the yellow leaves of elm from falling off
Elm is sunny, and at least 8 hours of light are guaranteed every day during the growing period. Shading measures should be taken in summer. The principle of watering is dry, not wet. Even in hot season, you should not water too much. Fertilizer should be applied every 65,438+00 ~ 65,438+05 days, and generally it is mainly decomposed organic fertilizer or cake fertilizer.
- Previous article:Is the salary of Brightway fitness equipment paid on time?
- Next article:How about working in the Shanghai subway with a foreign hukou?
- Related articles
- In 2020, what are the items of the physical examination for the recruitment qualification review of talents in short supply in Honghe institutions?
- 20 15 where is the recruitment announcement of changan bank?
- What is the telephone number of Guangdong Zhongzheng Zhujiang Certified Public Accountants (special general partnership)?
- Announcement list of Jiujiang Deputy Health Senior Middle School
- Zhenping Yulong Garden Hotel covers an area.
- What's the name of the director of personnel department of Changchun cigarette factory?
- Professional Requirements for Recruitment of Rural Credit Cooperatives in Qinghai Province
- The specific content of education management
- What is general education in real estate sales?
- Evaluation of Liaoning He Medical College