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Best NPK fertilizer for Pear tree

VIEWS: times Release Date:2020-06-28

Pear trees are planted in 3-4 years to enter the fruitful period. For pear trees in full fruit production, for every 1000 kg of pear produced, 4-6 kg of nitrogen, 2-3 kg of phosphorus, and 4-6 kg of potassium are required. Pear trees of different ages have different fertilizer requirements. The main nutrients required by young pear trees are nitrogen and phosphorus, especially phosphorus. The nutritional requirements of adult fruit trees are mainly nitrogen and potassium.

1. Germination fertilizer

Best NPK fertilizer for Pear tree

15 to 20 days before germination, dig a circular fertilization ditch with a width of 30 to 40 cm along the periphery of the canopy. Generally, each plant uses 100-150 kg of farm manure (if the farm manure is rotted and fermented by using Jinbei fertilizer starter, 50-75 kg per plant can be applied, and there will be no root burning phenomenon, which will improve the conversion rate of nutrients and reduce the root system. Occurrence of diseases.), 0.2-0.3 kg of urea, 0.3-0.5 kg of potassium sulfate compound fertilizer, 100-150 g of microbial bacterial fertilizer, mixed and buried to restore tree vigor and promote the growth of new shoots, improve fertilizer utilization, Supplement the medium and trace elements required by the tree, reduce the adsorption and fixation of phosphorus and potassium, and improve the ability of flowering and fruit setting.

2. Spraying fertilizer at flowering stage

Best NPK fertilizer for Pear tree

Boron is a trace element that pear flowers need more. Spray a boric acid solution with a concentration of 0.2% to 0.3% at the beginning of the flowering period and after the flowering, and spray 200ml of Jinbei sweetening colorant, diluted 300-500 times, and can add trace elements such as calcium and manganese. , Improve the plant's disease resistance, reduce the phenomenon of falling flowers and fruits, promote pollen absorption of sugar, activate metabolic processes, stimulate pollen germination, fertilized embryo development, and increase the vitamin C and sugar content of fruits.

3. Apply young fruit fertilizer

Best NPK fertilizer for Pear tree

Generally, when the young fruit begins to grow after the flowers are planted, 0.3-0.5 kg of nitrogen fertilizer, 0.3-0.5 kg of phosphate fertilizer, 0.2-0.3 kg of potassium fertilizer, or 1.0-1.5 kg of potassium sulfate compound fertilizer with a balanced content of 1.0-1.5 kg, and cooperate Application of microbial bacterial fertilizer 100-150 grams, soil cultivation. This can promote the growth of roots and new shoots, expand the leaf area, and quickly increase the young fruit and reduce the occurrence of pear rot.

4. Add long fruit fertilizer

Best NPK fertilizer for Pear tree

From late June to mid-July, it is the fruit that grows and the flower buds enter a large differentiation period. Both of them need to consume a large amount of nutrients from the tree body, and fertilizer must be added. Apply 50-100 kg of manure and urine (or 25-50 kg of fermented organic fertilizer), 0.3-0.5 kg of urea combined with 150-200 g of biological bacterial fertilizer, mix well and apply in a ditch, then cover the soil in time, which can improve The utilization rate of nitrogen fertilizer can reduce the wetting and volatilization of nitrogen fertilizer.

5. Pushi Strong Fruit Fertilizer

August-September is the period of fruit accumulation of nutrients. Plants apply ammonia fertilizer 0.3-0.5 kg, phosphate fertilizer 0.2-0.3 kg, potash fertilizer 0.3-0.4 kg or potassium sulfate compound fertilizer 0.8-1.2 kg combined with microbial bacterial fertilizer 100-150 g , Can promote fruit growth and increase fruit sugar and sweetness.


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