What fertilizer is best for fir trees?

Fertilization time for fir trees

Fertilizer trees can be fertilized once in spring and summer when they are growing vigorously. It is better to apply farmyard manure for 1-2 year old plants. From the third year onwards, nitrogen, phosphorus and potassium fertilizers can be applied in combination according to the growth and soil fertility. Weeding should be carried out before each fertilization, and topdressing should be applied appropriately during the growth period.

What fertilizer to use for fir trees

When planting fir trees, you can apply base fertilizer, you can choose calcium magnesium phosphate fertilizer, and apply nitrogen and potassium fertilizers in the second year. It is best to use them in small batches. You can choose nitrogen fertilizer from Xinlu water-soluble fertilizer to promote rapid leaf growth, make the leaves dark green, and allow nutrients to be fully absorbed by the plant.

Fertilization method for fir trees

There are two types of fertilizers for Chinese fir: base fertilizer and topdressing. Base fertilizer is mainly applied when the soil is renovated. The soil and decomposed farmyard manure should be thoroughly mixed and evenly applied. It is best to apply fertilizer after rain. During the growth period, topdressing should be done in time according to its growth. The ditch application method can be used.

Precautions for fertilizing fir trees

Fertilizer can be applied after rain, when the soil is relatively moist and less prone to fertilizer damage. Before applying fertilizer, the soil needs to be loosened and weeds removed to avoid affecting the fertilizer effect. The fertilizer needs to be fully diluted before use, and the base fertilizer applied also needs to be decomposed.