Before the end of November, apply autumn fertilizer once deeply to the pear orchard. The amount of fertilization should account for more than 30% of the total annual fertilization, mainly organic fertilizers such as decomposed oil cake fertilizer, slag fertilizer, retting fertilizer, and human, livestock and poultry manure. The method is: in the canopy drip line of adult pear trees, dig 1 to 2 circular fertilization ditch about 60 cm long, 25 cm deep and 25 cm wide, apply 30-40 kg of decomposed human, livestock and poultry fertilizer to each plant, and add the decomposed Mix 1~1.5 kg of oil cake fertilizer (or 10-20 kg of decomposed residue fertilizer, retting fertilizer, etc.). Young trees should be fertilized by half or 1/4, and then covered with soil.
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