冬枣管理年历（Winter jujube management Almanac）.doc

冬枣管理年历（Winter jujube management Almanac） Management Essentials of winter jujube in Zhanhua in March In early 1.3, wipe away the old skin, cut off the dead branches of diseases and insect pests, and burn them down. If the mouth is not fully healed, it should be sprayed 200 times at the mouth of a mosquito on the basis of skin scraping, or fenvalerate, to kill the overwintering beetle (gray worm, larva), and then use a plastic bandage to wrap a mouth. 2.3 months early, the whole park was sprayed 800 times a triazole fungicide (such as Triadimefon three, myclobutanil, Wan Xing Fu, etc.) and 500 times (908 peracetic acid disinfectant, apple rot SUMILEX and jujube disease net, bacteria kill 2, winever 301, etc.) kill the winter dry rot of jujube rust, etc.. The 3.3 month, in the lower trunk wrapped around 6 - 10 cm wide plastic belt, and the upper roll back and stop regarding, jujube tree pests such as bud weevil. At the same time to 1000 times higher chlorine or Paul was drug poisoning, Zizyphus jujube, bud weevil and other pests. In late 4.3, combine the watering with the budding water. The early fruit trees per plant nitrogen fertilizer 1 - 2 kg of jujube tree; full fruit period per plant topdressing fertilizer of winter jujube 2 - 3 kg, the application of acupuncture or radial furrow method. Combined fertilization can be used for weeding, weeding or garden mulching. 5.3 months later, plastic surgery, mainly to train and adjust the skeleton structure, reasonable layout, improve lighting. Cut off the dense branches, leggy branches, thin branches, and branches, cutting short slender two branches. 7 - 8 year old trees of the branch group to timely update every 1 - 2 left main shoot of jujube, small angle large branch branch to open angle. Management Essentials of winter jujube in Zhanhua in April 1. before germination, with 2 to 5 times of peracetic acid drugs (301, 9281, if the abundance of bacteria to kill 2) or rot treatment mixed liquid penetrant +, smearing the trun