对红叶石楠研究现状进行概述,并提出发展前景.

对郁金香在促成栽培中发生的主要病虫害危害症状和发生规律进行了描述,提出了培育壮苗、健康栽培管理和等综合防控技术措施.

Urban landscape green should not only pay attention to the beautifying effect of landscape to create beautiful living environment for citizens,but also consider the ecological protection benefits to build a green barrier for the city development,meanwhile realize the great economic value of forestry trees,and provide guarantee for the sustainable development of society and economy.The planning principles of ecological landscape road greening,and the planning of ecological landscape road greening in Xuchang are introduced.The benefits of five landscape road after being greened are estimated.

以黄河下游河岸带植被为研究对象,对杨树人工林、柽柳灌木林、人工草地及裸露农田进行小气候特征的观测,初步得出以下结论:4种土地覆盖类型小环境中空气相对湿度在16:00前后出现一个"V"形变化后保持相对平稳,绝对湿度值则出现"双峰"变化后保持平稳。各植被类型空气相对湿度由大到小依次是:杨树人工林>柽柳灌木林>人工草地>裸露农田;相对湿度规律为:高度150 cm处<高度80 cm处<高度20 cm。

With the social and economic development,expressway becomes important travel and freight transportation ways.A great deal of ecological destruction and soil erosion are inevitable in expressway construction.The highway slope revegetation is the main means.The main plant configuration modes are summarized including laying turf,vine,hollow component and planting grass in frame beams,hydroseeding,spray sowing,and belt or bag seeding.

Revegetation mats(bags)could classified as revegetation mat and revegetation bag,and are widely used in lawn construction,slope revegetation,especially slopes of highway,abandoned mines,and embankment.In this paper,the classification and application of revegetation mats(bags)were reviewed.