苗圃红松苗越冬防寒防风新技术

New Techniques for Winter Protection and Windbreak of Seedlings of Korean Pine in Nursery

苗圃红松苗木防寒防风采用波尔多液和生石灰按一定比例配制成胶状悬浊液,喷洒红松叶面,能有效预防霜冻、风梢等灾害,不但使成本降到最低限度,而且具有提高工作效率、减少苗木损失、预防病虫的目的,是我们探讨和研究的中心问题。

Nursery korean pine seedling cold wind using bordeaux mixture and lime mixture by certain proportion colloidal suspensions,Korean pine foliar spraying,can effectively prevent the frost,the wind tip and other disasters,not only make the lowest cost,but also improve the work efficiency,reducing loss of nursery stock,the purpose of prevention of diseases and pests,we discuss and research center.