What fertilizer is good for topdressing Dangshan pear?

Topdressing time for Dangshan pear

Dangshan pear is fertilized underground twice a year, before budding in March and during the young fruit expansion period in May. Timely topdressing can meet the growth needs of the plant.

What fertilizer should be used for topdressing Dangshan pear

Top dressing for Dangshan pear can be done with organic fertilizer, biological fertilizer, biological organic-inorganic compound fertilizer, commercial organic fertilizer, and organic-inorganic compound fertilizer. A small amount of potassium sulfate-type compound fertilizer is also needed as base fertilizer and basal fertilizer.

Should urea or compound fertilizer be used for topdressing of Dangshan pear?

It is best to use organic fertilizer for topdressing Dangshan pear, followed by compound fertilizer. Organic fertilizer contains a variety of nutrients, which can improve the structure of the soil, increase the soil's water retention capacity, and is beneficial to the growth of the roots. After the flowers of Dangshan pear fall, this is the period when the new shoots slow down from vigorous growth to cessation of growth, and it is necessary to apply three-element or multi-element compound fertilizer.

Topdressing method for Dangshan pear

If there are no trace elements in the soil of Dangshan pear, you can spray fertilizer. The foliar fertilizer is 0.3% urea, which can be used from spring to autumn. Spray potassium dihydrogen phosphate 2-3 times after physiological fruit drop to the harvest period. It is best to spray fertilizer in the morning and evening on a windless and sunny day, not at noon.

Principles of topdressing for Dangshan pear

When applying topdressing to Dangshan pear, the amount of fertilizer should be determined based on the yield, tree age, soil fertility level, and tree vigor.

Precautions for topdressing of Dangshan pear

1. When applying organic fertilizer to Dangshan pear, whether it is solid fertilizer or liquid fertilizer, it needs to be fermented and decomposed before use, and it must also be diluted with water.

2. The amount and concentration of fertilizer should not be too large. It is better to apply less but more frequently. Fertilization should be done in the afternoon on a sunny day to prevent photochemical ineffectiveness due to excessive sunlight, and the fertilizer solution should be watered thoroughly.

3. Be careful when watering Dangshan pear with fertilizer, and do not let the fertilizer droplets splash on the leaves, otherwise it will burn the leaves. In addition, it is best to loosen the soil once before fertilizing.