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1．建立果国防护林建园时，在果园北面和西面建立防护林，使树体免受或少受到春寒及晚霜等恶劣气候的侵袭。生产实践证明，有防护林果园比无防护林果园，可使花芽受冻减少35％。2早春结合病由防治喷布食盐水一般以3月上旬喷布一次0．5度石流合剂和200倍食盐水混合液，4月中旬再
1. During the establishment of the Guoguo National Defense Forest Park, shelterbelts were established to the north and west of the orchard to protect the trees from the adverse weather such as spring frost and night frost. Production practice has proved that shelterbelt orchard than without shelter, flower buds can be reduced by 35%. Early combination of disease prevention and treatment by spraying saline in early March to spray a 0.5 degree stone mixture and 200 times salt water mixture in mid-April