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Core content of this article: Overview of fertilizing black pine and how to fertilize black pine to grow faster, as well as related contents of precautions when fertilizing black pine. Detailed contents will be shared next.
Overview of Fertilizing Black Pine
If you want black pine to grow taller, you can choose to apply phosphorus fertilizer, which has a significant promoting effect. The effect of applying nitrogen fertilizer on black pine is slightly greater than that of potassium fertilizer, while the effect of applying phosphorus fertilizer on the growth of black pine is more obvious. Compound fertilizers and topdressings can be carried out regularly in spring and autumn, and fertilization can be done appropriately.
Black pine does not require much fertilizer, so only some dilute fertilizers need to be applied. Excessive fertilization can easily cause fertilizer loss.
How to Fertilize Black Pine to Make It Grow Faster
Season and Period of Fertilization
Autumn Fertilization: Start fertilizing in early October every year, apply once every 15 days, and apply twice consecutively, mostly phosphorus and potassium fertilizers, to accumulate nutrients.
Winter Fertilization: For black pine trees scheduled for display in winter, it is best to place them in a warm greenhouse. Generally, black pine placed in a well-lit and well-ventilated area will easily dry out the potting soil, and since black pine likes water and fertilizer, it is necessary to check the moisture status of the potting soil in time.
Fertilization Method
Black pine is relatively tolerant to barrenness but can also be fertilized. Fertilization should mainly use decomposed organic fertilizers and cake fertilizers; in spring, nitrogen fertilizer can be mixed to stimulate the growth of new branches and leaves; in autumn, compound fertilizers can be mixed to enhance cold resistance. Note that in autumn, nitrogen fertilizer should not be excessively used, otherwise, the tender new branches and leaves promoted will easily be frostbitten.
Key Points to Note When Fertilizing Black Pine
Preventing Yellowing of Leaves: If the leaves of black pine turn yellow, the yellow leaves should be cut off, ensuring half a day of sunlight every day. In spring and autumn, the sunlight is stable, and in summer, avoid direct strong sunlight.
Changing Soil: Black pine is suitable for growing in loose, fertile, well-ventilated, and well-drained acidic soil. Use humus soil, garden soil, and sandy soil in a ratio of 1:2:2.
Root Pruning: Timely cut off the rotting and dry roots to avoid yellowing of the plant leaves due to insufficient nutrition or use carbendazim to sterilize and disinfect the roots to prevent them from affecting the growth of the entire plant.
Changing Environment: Black pine is suitable for growing in a cool and ventilated environment and needs to be placed on a windowsill or balcony at home with sufficient sunlight and ventilation.
Pruning Treatment: If the leaves of black pine turn yellow, the yellow leaves should be cut off, ensuring half a day of sunlight in spring and autumn, avoiding direct strong sunlight in summer, and placing it in a well-lit position indoors in winter.
Spraying Medication: Yellowing leaves of black pine can be treated with carbendazim sprayed on the leaves to address disease issues. Canker disease is a common disease in black pine, and using a diluted carbendazim solution once with 500ml is sufficient.
Light Requirements: The requirement of black pine for light is sufficient sunlight, which increases photosynthesis and stimulates the production of chlorophyll.
The above is a specific introduction on how to fertilize black pine to make it grow faster, an overview of fertilizing black pine, and precautions when fertilizing black pine. I hope you will like it!