城市园林绿化养护管理误区及对策

来源 :中国园艺文摘 | 被引量 : 0次 | 上传用户:zyb1026
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
绿化养护管理是实现城市园林的生态效应、环境效应和社会效应的手段,但目前绿化养护管理存在种种误区,为此就八个具体问题进行探讨并提出相应的对策。
其他文献
在初中英语教学过程中,教师需要注重词汇教学。词汇是英语学习的基础,学生只有掌握了充分的词汇才能够在语法及阅读、写作教学过程中提高学习效率。然而,在当前初中英语阅读
Based on an analysis of the validity of the powder compaction equation of Kawakita,a modifiedcompaction equation is proposed.It is shown by the statistical anal
电极是完成工件电火花放电加工必不可少的工具之一,并起着比较重要的作用,影响着放电加工的效率以及工件的加工表面质量。以试验测试和材料学分析为主,以变质层厚度、加工工
通过对花生(巨花201)施用不同处理的持力硼、速乐硼和国产硼肥,比较硼肥对花生的主要经济学性状及产量的影响。结果表明:667m^2施持力硼(种肥)200g+初花期喷施1200倍液速乐硼1次(追肥
In molten salt electrolysis of mixed rare earth chlorides,the influence of the amount of samarium andneodymium containing in the raw material is experimented an
The X-ray powder diffraction method was used to determine the room temperature section of Al-In-Snternary phase diagram.The section consists of 5 single-phase r
A mechanism of oxygen transportation in Czochralski growth of silicon crystals under a horizontal magnetic field(HMCZ)is proposed.Oxygen depleted surface melt,d
Hani Corporation developed ion-sensitive field effect device. Being a basic device in acidhimet-er, such a device is applied to measurement of solution acidity.
During the past several years, giant magneto-impedance effect (GMI) in amorphous wires has generated growing interest in the science community because of theira
series of (Ni50Fe50)x(SiO2)(1-x) films with different volume fraction x was fabricated by magnetron co-sputtering technique. The microstructure, magnetic and el