Afforestation相关论文
随着农村经济的发展,农业种植结构的不断优化,也呈现出了一些对林业建设的不利因素,致使部分地段造林质量下降,结合实际,实事求是......
The determination of site productivity in forest ecosystems plays a crucial role in resource management.This study was c......
Afforestation is believed to be an effective practice to reduce global warming by sequestering large amounts of carbon i......
Effects of afforestation of agricultural land with grey alder (Alnus incana (L.) Moench) on soil che
Background:Natural afforestation of former agricultural lands with alder species is common in Europe. Symbiotic nitrogen......
Long-term impact of municipal sewage irrigation on treated soil and black locust trees in a semi-ari
The effects of municipal sewage irrigation on the soil and black locust (Robinia pseudoacacia L.) trees were studied. Fo......
砂质土壤上造林会引起土壤酸化,影响铜和锌的释放.本文用模拟方法研究了砂质耕地造林引起土壤酸化对土壤中铜和锌释放的影响.结果......
Afforestation using micro-catchment water harvesting system with microphytic crust treatment on semi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为评价我国北方大规模人工造林对土壤磷素转化及磷素有效性的影响,对半干旱沙地樟子松人工林和天然植被(疏林草地)不同层次(0～5 cm,......
Development of cork oak (Quercus suber L.) seedlings in response to tree shelters and mulching in no
The need for reforestation in cork oak (Quercus suber L.) areas is challenged by difficulties. Principal among these is ......
The city of Tehran,like many polluted metropolises of the world,has higher emissions of greenhouse gases than other citi......
We review the current status of experimental studies in India to understand the linkages between afforestation and hydro......
In the Sahel of Africa, where 90 % of the population depends on natural resources for their livelihood, a large part of ......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Ecosystem carbon and nitrogen storage following farmland afforestation with black locust (Robinia ps
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
It has become necessary to develop stands of fast growing endemic species in the Caspian forests because of their reduct......
Background: With farmland afforestation becoming common policy in many European Union countries, we studied how early fo......
Effect of Land Cover Change on Soil Phosphorus Fractions in Southeastern Horqin Sandy Land, Northern
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Anthropogenic Impacts on the Sediment Flux in the Dry-hot Valleys of Southwest China-an Example of t
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
文章分析了园林绿化工作的重要性及当前园林绿化养护工作滞后的原因，提出绿化养护应抓住的几个环节，以促进园林绿化养护管理工作的进......
在对黑龙江省自然条件、森林资源条件、开展林业碳汇项目的政策环境、造林技术条件因素分析基础上，运用对比分析方法，提出黑龙江省开......
长乐市在多年沿海防护林建设过程中，在沙障在基干林带沙荒风口造林中的应用方面积累了大量的经验。通过采取筑沙袋土墙、插枝沙障、......
根据南方红豆杉的生物学特性，阐述了南方红豆杉的苗木培育及造林技术，包括选地与整地、移栽、抚育管理、病虫害防治等内容，以期为南方......
20世纪80年代我国鄱阳湖流域实施造林再造林工程,该区域森林面积大幅增加.大规模植物造林可能极大地影响该区域森林碳库与碳收支的......
选择无瓣海桑、秋茄、白骨壤、木榄、桐花和拉关木6个红树林树种，在粤东沿海沙质滩涂地带进行造林试验。结果表明：（1）涨退潮风浪大的流......
Ever since the disastrous floods of 1998,the Chinese government has used the Natural Forest Protection and Sloping Land ......
Long-term impact of municipal sewage irrigation on treated soil and black locust trees in a semi-ari
The effects of municipal sewage irrigation on the soil and black locust (Robinia pseudoacacia L.) trees were studied. Fo......
Influence of Ectomycorrhizal Fungi on Absorption and Balance of Essential Elements of Pinus tabulaef
Pinus tabulaeformis seedlings were grown under a factorial design to measure biomass accumulation and P,Na and K concent......
檫木在东南沿海地区常规造林成活率偏低,对檫木裸根苗进行截干造林试验,结果表明:造林前两年檫木截干与未截干造林在成活率和地径......
