论文部分内容阅读
果树进入冬季后,必须进行精心管理,否则,会严重影响来年的果实产量.其主要管理项目有果树冬季防冻、病虫害防治和冬剪等.1.果树防冻.凡怕冻的果树都应当采取行之有效的防冻措施.在北方地区,葡萄每年都要进行防冻作业,以防冻坏其枝蔓.每到“立冬”前后,人们就把葡萄的枝蔓埋入50～100厘米深的
Fruit trees into the winter, it must be carefully managed, otherwise it will seriously affect the coming year’s fruit production.Its main management projects are fruit trees in winter frost, pest control and winter shears, etc. 1. Fruit trees frost, who are afraid of frozen fruit trees should be taken Effective antifreeze measures.In the northern region, the grapes are to be antifreeze work every year to prevent frostbite its branches and leaves .Every “upright winter” before and after, people put the grapes vine buried in 50 to 100 cm deep