1. Cultivate weeding. In combination with the application of winter fertilizer, the weeds in the pear garden are removed, buried deep in the fertilization nest, and then the pear garden is deeply turned over. Shallow ploughing under the canopy, 20 to 30 centimeters deep in the row, and the mulching of the land to loosen the soil and eliminate the overwintering eggs.
2, apply enough winter fertilizer. Before the deep winter, the pear garden was deeply turned over and applied to the winter fertilizer. The amount of fertilizer applied accounted for 30% of the total fertilization in the whole year. The organic fertilizers such as oil cake fertilizer, slag fertilizer and human and animal manure were mainly used.
3, finishing pruning. For the young pear orchard planted for 1 to 2 years, on the basis of the summer branching, measures such as pulling branches, struts and hanging branches should be taken for the 2 to 4 branches that have been cultivated to maintain 60 to 70 cm. The opening degree is to ease the tree potential and form a dwarf canopy; for the adult result tree, the method of sparse, short cut and renewed retraction is used to pruning, so that the canopy is ventilated and transparent, and the level is clear, achieving the purpose of internal and external results.
4. Pest control. Remove dead branches and fallen leaves near the pear orchard, cut off the branches of the diseased insects, scrape off the trunk and peel the skin, and burn it or burn it deeply; before entering the winter, use the grass to make 1 or 2 grasses and place the branches of the pear trees. Inducing pests to winter on the grass handles. When the spring is over, the grass will be completely burned. It can eliminate a large number of wintering pests; Before the deciduous leaves of the pear trees until the germination, the pear orchard should be sprayed with 2 to 3 waves of sulphur sulphur mixture 1 or 2 times, and the used slag should be used to brush the white trunk.
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