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1.
阜新地处辽西北,是一座“因煤而立,因煤而兴”的资源型城市,随着煤炭资源的逐年枯竭,努力发展接续产业.促进阜新新的经济增长点的形成已迫在眉睫。2001年12月国务院确定阜新为全国唯一的资源型城市  相似文献   

2.
山西省孝义市已被确定为矿产资源枯竭型城市,市委、市政府下大决心,加大投入鼓励经济转型发展,从可持续发展和保护生态环境的角度出发,突出了充分发挥草地及草食畜生产在经济转型中的作用。  相似文献   

3.
阜新地处辽西北,是一座"因煤而立,因煤而兴"的资源型城市,随着煤炭资源的逐年枯竭,努力发展接续产业,促进阜新新的经济增长点的形成已迫在眉睫.2001年12月国务院确定阜新为全国唯一的资源型城市经济转型试点市,并确定了阜新向现代农业转向的战略思路.而发展高起点的现代农业,不仅需要有区域优势、生态优势,更重要的是要有高素质的人才.  相似文献   

4.
随着资源的过度开发和生态环境的破坏,资源型城市产业优化升级成为必然选择。以东营市为例,通过阐述农业产业化发展对于资源型城市转型升级过程中的意义,分析东营市在发展现代农业过程中取得的成果和存在的不足,最终提出加强农业基础设施建设、优化农业产业结构和生产环节、推动互联网+农业发展以及培养现代农业人才等建议,以期推动资源型城市产业的转型升级进而实现城市的可持续发展。   相似文献   

5.
《农电管理》2010,(1):44-44
<正>迁安市电力公司始终坚持以科学发展观为指导,紧紧围绕迁安构建现代产业体系、推进资源型城市转型的发展方向,加快推进电网发展方式转变,在服务地方经济腾飞过程中,建  相似文献   

6.
潘艳平 《湖南农机》2013,(7):189-190
资源型城市的过度开发以及开发初期环境保护意识的淡薄,导致资源型城市面临地形地貌破坏、地表塌陷、裂缝、尾矿废石污染、地下水污染等各种生态问题。本文以湖南省冷水江市为例,对其城市的生态承载力进行综合评价,提出了相应的生态修复措施,为资源枯竭型城市可持续发展提供参考。  相似文献   

7.
马元洪 《河北农机》2023,(6):136-138
林业资源是一种无形的环境资源和绿色资源,它推动了有关产业的发展,创造了巨大的经济价值,同时在保护环境的过程中也显示出极大的环境效益和社会效益,这意味着其有着无法比拟的重要性。因此,在发展林业资源的过程中,必须实现生态恢复与保护,建立起能够实现可持续发展的林业生态经济系统。对此,本文通过对我国林业资源概况进行综述,对我国目前的林业生态的现状进行了初步的研究,提出开展林业生态修复的有效措施,以供相关人士参考借鉴。  相似文献   

8.
李伟娟  于观成  王贞 《农业工程》2019,9(7):118-121
发展现代农业是资源型城市转型升级中的重要措施之一。选取东营市作为研究对象,通过分析其农业发展中存在的不足和“互联网+”时代下面临的机遇,从完善农产品的流通模式和夯实基础设施,实现技术创新、培育新农人及信息平台的搭建,并为传统农业金融改革方面提出资源型城市发展现代化农业的对策。   相似文献   

9.
关于红松育种中种子休眠原因的研究综述   总被引:1,自引:0,他引:1  
红松是我国最具经济价值的用材树种之一,多年来被砍伐殆尽,资源频临枯竭。由此,尽快恢复和发展之一树种资源,就成为当下林业建设中较为迫切的任务之一。鉴于红松种子有着较长的休眠特性,研究导致红松种子休眠的原因,对于红松育种育林有着重要的现实意义。  相似文献   

10.
新余是一座工业城市,工业反哺农业。随着工业的快速发展,资源逐年紧缺,新余已被列为国家新能源科技示范城和国家资源枯竭型城市。积极转变农业发展方式,大力推进光伏技术在农业生产实践中应用,是当前新余市发展现代农业的新工程。  相似文献   

11.
Overland water and salt flows in a set of rice paddies   总被引:1,自引:0,他引:1  
Cultivation of paddy rice in semiarid areas of the world faces problems related to water scarcity. This paper aims at characterizing water use in a set of paddies located in the central Ebro basin of Spain using experimentation and computer simulation. A commercial field with six interconnected paddies, with a total area of 5.31 ha, was instrumented to measure discharge and water quality at the inflow and at the runoff outlet. The soil was classified as a Typic Calcixerept, and was characterized by a mild salinity (2.5 dS m−1) and an infiltration rate of 5.8 mm day−1. The evolution of flow depth at all paddies was recorded. Data from the 2002 rice-growing season was elaborated using a mass balance approach to estimate the infiltration rate and the evolution of discharge between paddies. Seasonal crop evapotranspiration, estimated with the surface renewal method, was 731 mm (5.1 mm day−1), very similar to that of other summer cereals grown in the area, like corn. The irrigation input was 1874 mm, deep percolation was 830 mm and surface runoff was 372 mm. Irrigation efficiency was estimated as 41%. The quality of surface runoff water was slightly degraded due to evapoconcentration and to the contact with the soil. During the period 2001–2003, the electrical conductivity of surface runoff water was 54% higher than that of irrigation water. However, the runoff water was suitable for irrigation. A mechanistic mass balance model of inter-paddy water flow permitted to conclude that improvements in irrigation efficiency cannot be easily obtained in the experimental conditions. Since deep percolation losses more than double surface runoff losses, a reduction in irrigation discharge would not have much room for efficiency improvement. Simulations also showed that rice irrigation performance was not negatively affected by the fluctuating inflow hydrograph. These hydrographs are typical of turnouts located at the tail end of tertiary irrigation ditches. In fact, these are the sites where rice has been historically cultivated in the study area, since local soils are often saline-sodic and can only grow paddy rice taking advantage of the low salinity of the irrigation water. The low infiltration rate characteristic of these saline-sodic soils (an experimental value of 3.2 mm day−1 was obtained) combined with a reduced irrigation discharge resulted in a simulated irrigation efficiency of 60%. Paddy rice irrigation efficiency can attain reasonable values in the local saline-sodic soils, where the infiltration rate is clearly smaller than the average daily rice evapotranspiration.  相似文献   

12.
瓦房店市是我国重要的水果生产基地,在国内水果生产领域占有重要地位。随着水果市场化的不断深入,如何满足和适应国内外市场需求成为瓦房店市水果生产的关键问题。从瓦房店市水果生产实际出发,阐述了实施水果生产标准化的必要性,提出了发展水果生产标准化的具体措施。  相似文献   

13.
对引进的谷子新品种金谷子耐旱TG118进行品种比较试验和多点试种。结果表明:该品种抗旱、耐瘠、适应性强,稳产、高产、抗病抗风抗倒伏强,品质优良,粮草兼用,种植简单,省工易管;一般产量在6000kg/hm2以上,比当地主栽品种增产20%以上。最高产量达9450kg/hm2,适于在辽西北地区推广应用。  相似文献   

14.
对《种子法》存在问题的探讨   总被引:1,自引:0,他引:1  
《种子法》是我国种植业第一部法律。自实施以来,为依法加强种子管理提供了有力的法律支撑,促进我国种子产业发生翻天覆地的变化。但随着依法管理工作的深入和种子产业的快速发展,《种子法》及配套规章的一些问题逐步显现出来。对《种子法》及配套规章存在的问题进行深入分析,对需要进一步补充的章节以及需要调整的内容进行深入探讨,以求更加完善和明确。  相似文献   

15.
About 30 years have passed since the Government of Egypt embarked on implementing a series of large scale drainage projects. At present, about 3.8 million acres have been provided with drainage systems on the basis of systematic pre-drainage investigations and designs. The target is to provide drains in approximately 6.4 million acres in the Nile Valley and Delta.The implementation of the subsurface drainage system is carried out by the public sector and private contractors under direct supervision of governmental regional departments. The implementation process depends on many factors related to the drainage material, machinery, manpower, site requirements, farmers and organizations involved. Problems and constraints are sometimes challenging, however, the annual rate of implementation has gradually increased to 170,000 acre/year.This paper discusses the different aspects involved in the implementation process of drainage systems. The development in materials, machinery and construction technologies will be reviewed. Institutional and management factors are going to be also considered.  相似文献   

16.
赵异 《湖南农机》2007,(3):31-32
在新世纪,面对机遇和挑战,党的十六大把“社会更加和谐”作为全面建设更高水平的小康社会的一个重要目标。中国人素有社会和谐的理想;西方人自古也向往社会和谐;借鉴东西方两种和谐社会思想的经验、教训,构建社会主义和谐社会理论。  相似文献   

17.
A European irrigation map for spatially distributed agricultural modelling   总被引:1,自引:0,他引:1  
We present a pan-European irrigation map based on regional European statistics, a European land use map and a global irrigation map. The map provides spatial information on the distribution of irrigated areas per crop type which allows determining irrigated areas at the level of spatial modelling units. The map is a requirement for a European scale assessment of the impacts of irrigated agriculture on water resources based on spatially distributed modelling of crop growth and water balance. The irrigation map was compiled in a two step procedure. First, irrigated areas were distributed to potentially irrigated crops at a regional level (European statistical regions NUTS3), combining Farm Structure Survey (FSS) data on irrigated area, crop-specific irrigated area for crops whenever available, and total crop area. Second, crop-specific irrigated area was distributed within each statistical region based on the crop distribution given in our land use map. A global map of irrigated areas with a 5′ resolution was used to further constrain the distribution within each NUTS3 based on the density of irrigated areas. The constrained distribution of irrigated areas as taken from statistics to a high resolution dataset enables us to estimate irrigated areas for various spatial entities, including administrative, natural and artificial units, providing a reasonable input scenario for large-scale distributed modelling applications. The dataset bridges a gap between global datasets and detailed regional data on the distribution of irrigated areas and provides information for various assessments and modelling applications.  相似文献   

18.
在介绍粉质仪和拉伸仪结构和原理的基础上,探讨了粉质曲线中吸水率、形成时间、稳定时间、弱化度和评价值等指标与面粉品质的关系,以及如何根据拉伸曲线中面团最大拉伸阻力、延伸度和拉伸曲线面积等指标来评价面团品质,并结合生产实际,概述了粉质仪和拉伸仪在面粉生产中的作用。  相似文献   

19.
农村信息化服务的现状及建设措施   总被引:2,自引:0,他引:2  
分析当前我国农村信息化服务的现状,提出加强农村信息化服务的新举措。  相似文献   

20.
车辆ABS控制算法的研究及探讨   总被引:1,自引:0,他引:1  
对现代汽车的ABS控制算法作了一些简单的介绍,同时指出了它们的一些缺陷,相应地提出了几种对ABS的其它控制方法并加以探讨,其中着重论述了ABS门限值控制算法中参考车速的确定方法和基于附着系数的控制算法。  相似文献   

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