How do deciduous trees and weeping willows spread their seeds? How much is the sapling price? What are the planting techniques?

The weeping willow is a tall deciduous tree with wide distribution and strong vitality. It is not only one of the common tree species, but also a commonly used street tree in landscaping. How does the weeping willow spread its seeds? How much is the sapling price? What are the planting techniques? According to the data of Salicaceae, willows spread their seeds by the wind. Its seeds generally mature from April to May, the seeds are very small, there are white fluff on it, and they are called willow catkins because they are scattered in the wind, and willow trees rely on the flying of willow catkins to spread the seeds to the distance to take root and germinate. also rely on the wind to spread seeds, such as poplar, dandelion and so on.

How much are the weeping willow saplings?

Nursery stock name: meter diameter (cm) unit price (yuan) 3 40007 weeping willow 4 915 weeping willow 5 1515weeping willow 6 2803weeping willow 7 456weeping willow 8 5570weeping willow 9 75y90 weeping willow 10 85000weeping willow 11 120,160 weeping willow 12 150,180 weeping willow 13 180,240 weeping willow 14 260,300 weeping willow 15 280330weeping willow

What are the planting techniques of weeping willow?

The main results are as follows: 1. Weeping willow seedlings can be propagated mainly by cutting method, which can be propagated in January, February, November and December of the whole year. The method is easy to understand, high survival rate, low cost and low technical requirements. It is a method used in most nurseries in the country. Because weeping willow has the characteristics of fast-growing and upright, it is necessary to go directly to the field when cutting, and the density should be controlled properly, otherwise the stem of the seedlings is not straight, the tree shape is very poor, and the cutting density is recommended to be 40 × 60 cm. Cutting difference of 1 cm in diameter is appropriate, current or biennial branches.

2. Generally, the cuttings are planted for the first time after growing for 2 years. At this time, the average height is 3 cm 4 cm, the stem is straight, and the height of the fixed stem is 2.5 m, which meets the requirements of weeping willow green seedlings in most areas of the country. According to the culture thickness, 2.5 × 3 m can grow 7 cm 9 cm high quality seedlings, 3 × 4 m can grow 12 cm 15 cm high quality seedlings, 4 × 5 m can grow 18 cm 22 cm seedlings, leaving too much waste land. It is not good to be too young and long, so it should be appropriate.

3. Compound fertilizer can be used for fertilization. weeping willow is very resistant to fertilizer and is not afraid of hypertrophy. Spring and summer is the main peak growth period. Fertilizer should be applied 3 to 4 times, using 80,100kg compound fertilizer per mu each time, and then according to the weather conditions, Rain Water's diligence should not be watered. Rain Water is less for artificial watering irrigation, we must maintain an adequate water supply, compared with fertilizer, the role of water is more important.

4. Weeping willow is characterized by few diseases and insect pests, waterlogging resistance, cold tolerance, transplanting survival rate of more than 98%, extremely tenacious vitality. The plant with super-long green leaf period germinates early in January and February in spring and leaves only in October and November in autumn and winter. The ornamental time of a year is 240-290 days. It is a prominent tree species in deciduous trees.

Time: 2019-03-19 Click: