How long is the growth cycle of Eucommia ulmoides?

Introduction to Eucommia ulmoides growth

The main production area of ​​Eucommia ulmoides is Zhangjiajie. It is grown all over China, including Shaanxi, Gansu, Hubei, Sichuan, Henan (Xichuan), Anhui, Shaanxi, Jiangxi, Guangxi, Zhejiang, Yunnan, Guizhou and Hunan.

Eucommia ulmoides growth cycle

Eucommia ulmoides is harvested 5-7 years after planting. Each plant needs to be ring-barked once a year, and a growth cycle is 2-3 years. The mature plant can survive normally at -30℃ and has strong adaptability, but deep, loose, fertile, moist and well-drained loam is most suitable.

The Eucommia tree grows slowly in its young stage. Its rapid growth period is between 7 and 20 years. After 20 years, the growth rate decreases year by year. After 50 years, the tree height growth basically stops and the plant withers naturally.

Eucommia growth rate

The growth process of Eucommia ulmoides : The seeds sown in winter will germinate in the spring of the following year. They have only two cotyledons when they first emerge. The seedlings grow slowly before May, grow rapidly from June to August, slow down in September, and basically stop in October, and enter dormancy.

Eucommia ulmoides is a fast-growing tree species. The seedlings mature into trees quickly after transplanting. The tree enters a rapid growth period at 12 years old, with an average annual increase of more than 1 meter. After 20 years, the growth rate of tree height gradually decreases, and at 35 years the average annual increase is only 35 centimeters. After 35 years, the growth rate of tree height drops sharply, and after 50 years, it basically stops growing.

Eucommia ulmoides growth cycle management

The leaf yield of Eucommia ulmoides trees is relatively high when they are 1-5 years old. The leaf yield of a single plant increases by 2 kg per year when they are 6-10 years old. The leaf yield of a single plant is 11.65 kg when the tree is 9 years old. The leaf yield of a single plant can reach more than 20 kg when the tree is 22 years old.

Fertilization management : After Eucommia ulmoides is planted, topdressing can be applied once a year or in the spring of the next year, depending on the soil fertility. Manure, human feces, chemical fertilizers, and local fertilizers are all acceptable. If the soil is highly acidic yellow mud, 30 kg of lime can be applied per mu to improve the soil solution reaction and promote better growth and development.