What fertilizer is best for poplar trees (what fertilizer makes poplar seedlings grow fastest)

Poplars are the "C position" in my country's timber reserves. The poplar planting area in my country has reached more than 100 million mu, ranking first in the world, and is irreplaceable by other tree species.

In addition, the whole body of the poplar tree is a treasure. In addition to the wide range of uses of wood, it also has a variety of processing and utilization values. In addition, the poplar tree has a particularly strong ability to adapt to the environment. In recent years, the poplar has been one of the most popular trees planted by rural people.

In general, poplars grow quickly and have high economic value. Through cuttings and seedling cultivation, we can improve the variety of trees and maximize the benefits. However, fertilization is the key, so how should we fertilize poplar seedlings to make them grow faster?

What fertilizer is good for poplar trees?

Poplars are distributed in temperate and cold regions. They are fast-growing species with many varieties. Applying urea during the fast-growing period can significantly accelerate the growth rate and have obvious economic benefits.

Urea is the most effective fertilizer for poplar trees. Applying organic fertilizer during the dormant period and a certain amount of ternary compound fertilizer during the growth period also has a certain effect.

①Base fertilizer

Base fertilizer is usually applied in autumn after the poplar leaves fall . You can apply 1,000 kg of decomposed farmyard manure or more than 2,000 kg of green manure, combined with pruning, weeding and clearing of debris. It is best to apply fertilizer when the soil moisture is good to improve fertilizer utilization .

② Topdressing during the growth period

Top dressing during the growing season is generally divided into two times a year , the first time in April-May, and the second time in July, but no later than early August, otherwise the degree of lignification will be poor.

For poplar trees under 5 years old, apply 250-400 grams of urea each time. For large trees over 6 years old, apply 500-1000 grams .

Specific methods for fertilizing poplar trees

① Fertilization method during cutting

The land must be fully prepared before transplanting, and the tillage depth should be more than 25 cm. If a rotary tiller is used, it is best to compact the land after tilling.

During deep plowing, apply 20 kg of urea , 75 kg of superphosphate , 10 kg of potassium sulfate and other fertilizers per mu as base fertilizer. At the same time, apply 1-2 kg of furadan per mu to kill underground pests .

②Daily management and fertilization

For young poplar trees, apply fertilizer by digging holes at a distance of 20-30 cm from the base. For large trees, apply fertilizer in a ring shape around the crown to a depth of more than 20 cm, then cover with soil.

It is usually carried out when the soil moisture is good. If it is too dry, you can apply fertilizer, then water and clear the weeds. When the soil moisture is appropriate, you can then cultivate and weed.