当前世界环境 www.a-i-l-s-a.com 当前世界环境 en - us 跨境空气污染使首都窒息 //www.a-i-l-s-a.com/index.php/vol12no3/trans-boundary-air-pollution-suffocated-the-capital/ 2017-12-25 2018-09-26 Umesh Kulshrestha 第12卷,第3期

Introduction First of all I wish all our readers a very Happy New Year 2018. Since it is my first issue after taking over as Editor-in-chief of the Current World Environment; I am grateful to all the authors, reviewers and other associated individuals and organizations for their cooperation and interest in the journal. This is indeed the journal which in true sense covers multiple aspects of environmental research. In this issue, we have papers on diversified topics including disaster managem

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< p > < / p > . .
公路扩建与改建的环境影响评价回顾 //www.a-i-l-s-a.com/index.php/vol12no3/environment-impact-assessment-of-highway-expansion-a-review/ 2017-12-18 2018-10-05 Kashish Walia , RK Aggarwal , SK Bhardwaj 第12卷,第3期

Introduction India have been experiencing a better fiscal growth over the last decade, accompanied by growing hunger for natural resources and rapid proliferation of infrastructure development due to industrialization, urbanization and modernization; which are yard sticks for the degree of heights of development in terms of technology and economy. Road refinement and highway development projects in India have chiefly amplified the quality of existing roads and have strengthened linkage betwee

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公路扩建改善了现有道路的质量,增强了主要经济中心之间的连通性。不断升级的交通和增强该地区经济能力的需要导致了高速公路的扩建。此外,加入活动扰乱了生态系统,引起了周围全景的无数变化。此外,它直接或间接地影响非生物和生物成分。因此,了解和预测对环境和社会经济的影响c

高级氧化法在水处理中的研究进展 //www.a-i-l-s-a.com/index.php/vol12no3/a-review-on-advanced-oxidation-processes-for-effective-water-treatment/ 2017-12-19 2018-11-26 Nirmalendu Mishra , Rajesh Reddy , Aneek Kuila , Ankita Rani , Priya Mukherjee , Ahmad Nawaz , Saravanan Pichiah 第12卷,第3期

Introduction The availability of the earth&rsquo;s fresh water resources has drastically depleted or contaminated due to improper water management, leading to the vulnerable situation. On the other hand the demand for safe potable water is increasing day-by-day due to the exponential growth of population and inability of the traditional treatment.1 There are many traditional and contemporary purification techniques available or practiced for delivering safe water as per the local standard

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先进的氧化工艺(AOPs),如芬顿、臭氧化、声溶、光催化、紫外光解和湿空气氧化是最适合水和废水处理的技术之一。还选择了这些aop来完全降解任何传统技术无法处理的各种新出现的污染物。矿化是通过产生的各种反应物质与污染物之间的化学反应实现的。< / p > . . 《欧洲水框架指令》前后湖泊水文形态评价方法综述 //www.a-i-l-s-a.com/index.php/vol12no3/a-review-of-assessment-approaches-for-lake-hydro-morphology-before-and-after-the-european-water-framework-directive-wfd/ 2017-12-28 2018-11-26 Marzia Ciampittiello , Claudia Dresti , Helmi Saidi 第12卷,第3期

Introduction Most of the European Lakes are located in the northern part of the continent, especially in Norway, Sweden, Finland and the Karelo-Kola part of Russia. About 80% to 90% of lakes have a surface area between 0.01 and 0.1 km2, whereas around 16000 lakes have a surface area exceeding 1 km2 and 24 European lakes have a surface area larger than 400 km2&nbsp;.1&nbsp;Most of natural lakes were formed or reshaped by glacial activity, when the ice covered all of northern Europe; in

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欧洲和其他大陆一样,以天然湖泊和水库的存在为特征。关于湖泊的第一个科学办法是处理生物和化学方面的问题,以便面对富营养化问题;同时,物理方面,如混合和分层动力学,开始被考虑。直到几年后,人们才把化学、物理、生物和水形态等方面综合考虑起来,研究人员才发现了c

水文灾害管理与风险评估 //www.a-i-l-s-a.com/index.php/vol12no3/hydrological-disasters-management-and-risk-assessment/ 2017-11-20 2018-11-16 A.K. Lohani , Gopal Krishan , Surendra Chandniha 第12卷,第3期

Introduction India has a peculiar climate diversity under which nearly 80 percent of the annual precipitation is limited to a brief monsoon period generally less than 100 days. Even though the country receives an annual rainfall of 1170 mm on an average, the complex system of monsoon winds and the peculiar orientation of mountains give rise to some excessively low rainfall regions and well-diversified pockets of water scarcity in one part of the country and simultaneously the other parts of t

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在印度,洪涝和干旱是一种经常性的水文现象,由于降雨在时间和空间上的不均匀分布,导致该国不同地区的洪涝和干旱问题在维度上相反,给生命、生计、财产和基础设施造成巨大损失。在3290万公顷的地理面积中,有4000万公顷容易发生洪水,这显示出高风险和脆弱性,是最常见的水文极端事件之一。 基于观测和模式模拟数据的印度热指数对比研究 //www.a-i-l-s-a.com/index.php/vol12no3/comparative-study-of-heat-indices-in-india-based-on-observed-and-model-simulated-data/ 2017-12-22 2018-11-16 Sushil Dash , Sagnik Dey , Popat Salunke , Mamta Dalal , Vaishali Saraswat , Sourangsu Chowdhury , Rohit Chowdhury 第12卷,第3期

Introduction Extreme weather events (e.g. the frequency of occurrence of intense rainfall, warm and cold events) are on the rise along with the rise of global average temperature1. Temperature and rainfall extremes in India have been examined by several authors2,3,4.&nbsp; Such extreme weather events have adverse impacts5,6,7 on agriculture, human health, generation of power, water availability and several other aspects concerning the society. Environmental heat stress is one of the dire

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据报道,“热浪”的发生世界各地的情况都在增加。极端高温的增加预计会导致人类的不适程度增加。此外,根据极端高温的严重程度和持续时间,还会造成工作时间的减少、对健康的不利影响和死亡。众所周知,从气象学的角度来说,不仅仅是气温的升高会引起人体不适。Temperatu < / p > . . 富碳燃料油飞灰前驱体活性炭的制备与利用——第二部分:废水中铬(ⅲ、ⅵ)的去除与形态 //www.a-i-l-s-a.com/index.php/vol12no3/preparation-and-utilization-of-the-precursor-activated-carbon-from-carbon-enriched-fuel-oil-fly-ash-part-ii-removal-and-speciation-of-chromiumiii-and-vi-from-wastewater/ 2017-10-18 2018-11-16 A Abu-Rizaiza, M.W. Kadi, M.S. El-Shahawi 第12卷,第3期

Introduction Heavy metal ions at trace levels in water represents a major of great concern for environmental engineers and chemists.1-3 Wastewater (Industrial and domestic) affects the health of people and causes severe damage to the environment if not managed properly.4,5 Chromium(VI) is highly toxic and it has great mutagenic and genotoxic effects on biological systems whereas chromium(III) is essential trace nutrient.6,7 Biological reduction of Cr6+species to intermediates e.g. Cr5+ and Cr

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以残蝇(FA)为原料制备的活性炭(AC)经co2 -蒸汽联合活化气化后用盐酸普鲁卡因(PQ+Cl-)进行物理改性。改性AC作为低成本、高效的固相萃取剂(SPE)用于铬(iii)的去除、总含量测定和化学形态分析。在废水。 &分配了铬(VI) s

的动力学。
欧亚大陆气候梯度下森林形成物种的净初级生产地理 //www.a-i-l-s-a.com/index.php/vol12no3/net-primary-production-geography-of-forest-forming-species-in-climate-induced-gradients-of-eurasia/ 2017-10-21 2018-11-26 V. A. Usoltsev , S. Shobairi, V. Chasovskikh 第12卷,第3期

Introduction At the climate summit in Paris in 2015 December 196 countries pledged to reduce carbon emissions and prevent rising average temperatures more than 2&deg;C by the end of the century. The important role in this relation is belonging to forest ecosystems, as sinks for atmospheric carbon. The ability of forests to withdraw the carbon from the atmosphere and produce organic matter is the basis of their functioning1. Currently, the world is actively being improved the technologies

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利用作者编制的6个成林物种的生物量和净初级生产力(NPP)数据库,分别在6694个和2242个样地设计了它们的NPP回归模型系统,并阐述了NPP在自然地带性和气候大陆性两个气候梯度上的分布规律。结果表明,根据地带性梯度,两针松林和云杉林的地上NPP和总NPP均呈单调性

估算希腊山区气温的统计模型 //www.a-i-l-s-a.com/index.php/vol12no3/statistical-models-in-estimating-air-temperature-in-a-mountainous-region-of-greece/ 2017-12-27 2018-11-26 Stelios Maniatis, Kostas Chronopoulos, Aristidis Matsoukis, Athanasios Kamoutsis 第12卷,第3期

Introduction Mountainous areas (MAs) provide major gathering grounds of water supplies for human and animal consumption as well as for hydroelectric power production and may also contain valuable mineral resources1. These areas may be considered as optimum recreation ones, offering visitors a wide variety of activities and being a favorite tourist destination2. Despite MAs importance and the fact that they account for 20% of the Earth&rsquo;s land surface, their climatic and weather condi

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目前的工作重点是利用两种著名的统计模型,简单线性回归(SLR)和多层感知器(MLP),估计希腊塞弗罗尼亚岛埃诺斯山(Mt)两个不同方向(东南和西北)的高海拔(1580 m)站点(T)的气温(T)条件。具体而言,高海拔地区T均值、最大值和最小值的估计值为b

印度古吉拉特邦著名朝圣地的多元水质评价:统计方法 //www.a-i-l-s-a.com/index.php/vol12no3/multivariate-water-quality-assessment-of-renowned-pilgrim-spot-gujarat-india-a-statistical-approach/ 2017-12-23 2018-11-26 Sheju Thomas, Hiren Soni, Ashok Saxena 第12卷,第3期

Introduction So far liminological studies have been mainly aimed to focus on deterioration of the water quality due to pollution only on the part of human consideration. Now-a-days, pilgrimage ponds visited by number of pilgrims are an addition to many folds to this devastation, which has now become a cause of global concern.1 The productivity of the pond mainly depends on various abiotic and biotic components usually fluctuated by seasonal and varying degree of pollution.2 Hydro-chemistry of

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Gomti Palustrine Habitat是印度古吉拉特邦中部著名的朝圣池塘之一。在本研究中,对21个水质参数进行了不同的统计检验,以跟踪和描绘水质状况。本研究为期一年(2012年12月至2013年11月),每月采样覆盖三个连续季节(冬季、夏季、季风)。选取3个永久采样站(V1、V2、V3)覆盖横断面和d

象征性景观及其空间构成:理解场所身份的环境设计词汇 //www.a-i-l-s-a.com/index.php/vol12no3/symbolic-landscapes-and-their-spatial-components-understanding-the-environmental-design-vocabulary-of-place-identity/ 2017-09-30 2018-11-26 Sema Mumcu , Serap Yilmaz , Emine Eren 第12卷,第3期

Introduction Identity is seen as a fundamental need that encompasses all aspects of human life 1 in an age of increased loss of identity, as our lives and places lose their distinctiveness. In contemporary times, the need for stability is crucial for humans, who require development of emotional bonds with places. Therefore, people&rsquo;s relations with places have been explored using a wide array of psychological constructs such as place identity2, place attachment 3,4, and sense of plac

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全球化的力量造成的最具体的问题之一是身份丧失,这是越来越普遍。在这种背景下,城市政府往往期望环境设计师和规划者创造具有城市特色的开放空间,并定义自己的身份价值。这种情况增加了诸如景观设计师如何在设计中联系空间组成部分和身份特征,在op

中采用什么样的设计词汇等问题的重要性。
印度矿山用气动翻车机座椅的传导系数评价——初步研究 //www.a-i-l-s-a.com/index.php/vol12no3/evaluation-of-transmissibility-factors-of-pneumatic-dumper-seats-used-in-indian-mines-a-pilot-study/ 2017-12-15 2018-11-17 Bibhuti Mandal , Anand Deshmukh 第12卷,第3期

Introduction Mining industry is associated with many occupational health hazards which require monitoring and evaluation. Whole-body vibration (WBV) is one such hazard known for more than a century and widely discussed in various literatures due to its probable negative health impacts on working population.1-13 In surface mining of minerals, various heavy earth-moving machines are deployed for all major operations. All these machineries are more often sophisticated and technologically advan

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采矿业的全身振动(WBV)是一种众所周知的职业健康危害。自卸车操作员受到由路面-轮胎相互作用产生并通过座椅底座传递的WBV。汽车座椅的动态特性是决定座椅使用质量的重要因素。本初步研究的目的是评估在印度矿山使用的气动翻车机座椅的传播系数。两种不同m

的共十五(15)个倾卸器。
印尼西巴布亚Bintuni湾次生红树林生命周期评价 //www.a-i-l-s-a.com/index.php/vol12no3/life-cycle-assessment-of-secondary-mangrove-forest-in-bintuni-bay-west-papua-indonesia/ 2017-11-07 2018-11-26 Rocky de Ramos, Michael Lochinvar , Evelyn Taboada 第12卷,第3期

Introduction Mangrove forests are among the world&rsquo;s most productive ecosystem. They enrich coastal waters, yield commercial forest products, protect coastlines, and support coastal fisheries. It thrives on tropical climate and on coastal waters in Asia, Africa and South America. They thrive on the harshest environments, usually waters with high salinity, extreme tides, strong winds, high temperatures, muddy and anaerobic soils.1 As of year 2011, it is estimated that the remaining ma

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生命周期评估是为了评估印尼西巴布亚Bintuni湾红树林木片生产对环境的影响。研究包括分析不可再生能源使用(MJ)、全球变暖潜势或碳足迹(kg CO2)、酸化潜势(kg SO2)和臭氧创造潜势(kg O3)的红树林砍伐、加工和运输。红树林木片生产消耗960兆焦耳不可再生能源,排放59.59 kg CO2, 0.383 kg SO2

印度阿拉哈巴德麦克弗森湖水生植物物种的物理化学、生物学特性和生物多样性 //www.a-i-l-s-a.com/index.php/vol12no3/physico-chemical-biological-properties-and-biodiversity-of-aquatic-plant-species-in-macferson-lake-allahabad-u-p-india/ 2017-09-30 2018-10-13 Ganesh Mishra , Abhishek James , H.B. Paliwal , Hemant Kumar 第12卷,第3期

Introduction Waterbodies serves as habitat for a varying number of aquatic organisms ranging from microscopic plankton to large aquatic animals and macrophysics3&nbsp;According to NWP (2002), supply of fresh drinking water to most of the living beings should be the first priority on any available water reservoir. The safe and reliable sources of water availability &nbsp;are an essential pre-requisite for the establishment of a stable community5 There is a definite permissible limit

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目前的研究是针对受人类活动严重污染的阿拉哈巴德麦克弗森湖的水质进行分析。所需的水样从研究区域的不同地点随机收集,并在阿拉哈巴德SHUATS环境科学系和NRM进行分析。

.的温度、EC、pH、TDS、浊度、总硬度、Mg硬度、Ca硬度、BOD、DO、碱度、氯化物和总大肠菌群
基于地理空间技术的马哈拉施特拉邦Kadvi河流域形态计量学分析 //www.a-i-l-s-a.com/index.php/vol12no3/morphometric-analysis-of-kadvi-river-basin-maharashtra-using-geospatial-techniques/ 2017-09-20 2018-11-28 Sujit Chougale , Jagdish Sapkale 第12卷,第3期

Introduction Morphometric studies are first attempted by Horton, Strahler, Smith, Schumm, and Miller1-5. Parallel work of basin morphometry has been carried out by Abrahams, Langbein, Leopold, and Maddock6-8. The morphometric analysis is done with linear, aerial, relief aspect, the slope, and a gradient of a channel by many researchers9,10. Basin morphometry gives the signs of an influence on river hydrology and river channel. Similar work is done by Sapkale on Tarali river with an approach o

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目前的研究工作 反映了沙虎洼地地区瓦尔纳河的一部分卡德维河流域的详细形态计量学研究。结合地理空间技术,对卡德维河进行了进一步的研究。使用CARTOSAT数据生成DEM(数字高程模型)。利用GIS技术对卡德维河流域进行形态计量学分析。在目前的研究中,各种参数如线性(流数、流顺序、流长度、

预测伊朗德黑兰人行天桥的偏好 //www.a-i-l-s-a.com/index.php/vol12no3/predicting-preferences-for-pedestrian-bridges-in-tehran-iran/ 2017-11-23 2018-11-26 Nasim Nejad , Mina Ahangi, Suhardi Maulan 第12卷,第3期

Introduction Pedestrian bridges in urban areas should be considered more than a part of transportation network system because of the iraesthetic quality in urban areas. According to Gottemoeller there are many considerations for design and construction of a bridge such as economy, transmission of forces, constructability, durability and adjacent structures in landscape and properties, and the bridge designers areresponsible for the aesthetic apearance of the pedestrian bridges along with theo

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人行天桥作为城市基础设施,对提高城市地区的审美质量起着至关重要的作用。在德黑兰,考虑到环境的视觉特征,大多数人行天桥都采用了类似的结构。然而,许多研究已经证实了桥梁的美学品质与其环境之间的和谐的重要性。本研究试图确定语境在人行天桥审美感知中的作用,并确定视觉艺术

印度石矿开采和破碎单位职业性粉尘和二氧化硅暴露评估-个案研究 //www.a-i-l-s-a.com/index.php/vol12no3/assessment-of-occupational-dust-and-silica-exposure-in-indian-stone-mining-and-crushing-unit-a-case-study/ 2017-11-30 2018-11-26 Anand Deshmukh , Nikhil Kulkarni , Sarang Dhatrak , Subroto Nandi 第12卷,第3期

Introduction Metal and masonry stone, building material, etc play a vital role in urbanisation1&nbsp;and today&rsquo;s stone mining and crushing have become the backbone of infrastructure development in India.2&ndash;4 The finished product of stone crushing units in the form of crushed stone, stone chips of various sizes; plays a crucial role as a raw material for various construction activities viz. construction of roads, highways, bridges, buildings, canals, etc.5 Considering th

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石料破碎行业在印度等快速发展国家的经济和城市发展中起着至关重要的作用。印度的石矿和破碎机分布在主要城市周围,全国大约有50万人从事石矿和破碎机的工作。然而,这个创造就业机会的行业也恰好是产生灰尘最多的活动之一,也是呼吸系统疾病矽肺病的前兆。本研究的目的是估计t

的个人暴露。
虾、蟹、鱿鱼废弃物中几丁质和壳聚糖的质量比较 //www.a-i-l-s-a.com/index.php/vol12no3/comparison-of-the-quality-of-chitin-and-chitosan-from-shrimp-crab-and-squilla-waste/ 2017-11-18 2018-11-26 F. Parthiban , S. Balasundari , A. Gopalakannan , K. Rathnakumar , S. Felix 第12卷,第3期 < p > Introduction&,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,国家统计局< / p > . .

从甲壳类动物中提取的几丁质和壳聚糖具有生理相容性、无毒性、生物消化率、吸附和螯合能力等生物学价值。壳聚糖的这些生物学价值取决于其质量参数,而这些参数与原料来源直接相关。本研究以市售的虾、蟹、鱿鱼等3种甲壳类动物的壳类废弃物为原料,提取甲壳素和壳聚糖。de

的化学处理…
基于归一化植被指数和地理信息系统的纳尔达达流域班加尔河流域土地利用/覆被制图 //www.a-i-l-s-a.com/index.php/vol12no3/land-use-and-land-cover-mapping-based-on-normalized-difference-vegetation-index-using-remote-sensing-and-geographical-information-system-in-banjar-river-watershed-of-narmada-basin/ 2017-10-07 2018-11-17 Jagriti Tiwari , S.K.Sharma , R.J.Patil 第12卷,第3期

Introduction The earth resources are key component in the development of a nation as well as of a region. The update information of the landscape is of great significance in the management and monitoring of an environment. LU/LC classification is one of the prime prerequisites for analyzing the information of the existing earth resources and changes occurring on the landscape pattern of an area through time. Land cover data refers to the area of a region covered under natural resources viz. f

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土地利用与土地覆盖动态空间分析是区域土地资源可持续利用与管理的必要条件。遥感与地理信息系统一起成为一种有效的技术,以高效率和具有成本效益的方式绘制一个地区的土地资源/土地资源类别。本研究是在印度中央邦巴拉加特和曼德拉地区的班贾尔河流域进行的。归一化植被指数

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马齿苋修复盐渍土的植物修复潜力 //www.a-i-l-s-a.com/index.php/vol12no3/phytoremediation-potential-of-sesuvium-portulacastrum-on-remediating-salt-affected-soil/ 2017-11-20 2018-11-17 Jayashree Ramasamy , Kalaiselvi Periasamy , Bhagyasree Venugopal 第12卷,第3期

Introduction Soil and environment are under tremendous pressure due to industrial expansion and discharge of effluents. During the past few decades industrial activities have increased greatly with rapid economic growth, this accomplished severe environmental pollution. &nbsp;Textile industry is a diverse sector in terms of raw materials, processes, products and equipment and has a very complicated industrial chain. Its biggest impact on the environment is related to primary water consump

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Sesuvium portulacastrum 是一种超积累盐植物,是用于海水淡化和植物修复的先驱植物。这种植物能忍受非生物的限制,如盐度和干旱。它生长在高盐度环境下,可用于工业废水中盐污染土壤的修复和恢复。在主要用水行业中,纺织行业对一次用水和

相关环境的影响最大。
喜马偕尔邦工业区植物生化参数的季节变化及其对空气污染的耐受性 //www.a-i-l-s-a.com/index.php/vol12no3/seasonal-variations-in-biochemical-parameters-of-plants-and-their-air-pollution-tolerance-in-industrial-area-of-himachal-pradesh/ 2017-12-27 2018-11-17 Kashish Walia , S.K Bhardwaj 第12卷,第3期

Introduction Air pollution is an inevitable harmful by product of rapid industrialization and urbanization and is responsible for variety of deleterious effects on both human and plant communities. Air quality has now become a major environmental concern since the beginning of industrialisation, resulting in a greater release of gaseous and particulate pollutants into the atmosphere1. In Asian countries including India the increasing urban population growth, industrial activities and automoti

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为了评价喜马偕尔邦索兰地区巴迪工业中心植物的生化参数及其对空气污染的耐受性,在巴迪工业中心进行了实地调查。为确定工业化的空间效应,选取0 ~ 100 m、100 ~ 200 m、200 ~ 400 m、400 ~ 800 m的3种常见植物印楝(Azadirachta indica)、Leucaena leucocephal和黄檀(Dalbergia sissoo);800米。太评估季节的影响

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基于地理空间技术和数据集的流域管理与开发保护措施规划马哈拉施特拉邦Akola区的Patur流域个案研究 //www.a-i-l-s-a.com/index.php/vol12no3/planning-of-conservation-measures-for-watershed-management-and-development-by-using-geospatial-technology-a-case-study-of-patur-watershed-in-akola-district-of-maharashtra/ 2017-12-18 2018-11-17 R. S. Patode , C.B. Pande , M. B. Nagdeve , K. N. Moharir , R. M. Wankhade 第12卷,第3期

Introduction A watershed is defined as natural Hydrologic unit that covers a precise area of land surface from which rainfall in the form of runoff flows to a definite drainage, stream or river at any point.1,14 Watersheds are hydrologic units considered to be efficient and suitable for the assessment of accessible resources within an area thus influencing subsequent planning and implementation of different development programs within that area. Hence, all the necessary natural resources insi

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流域管理与发展保护措施规划是指在不同项目中编制和实施计划,以维持和提高流域管理功能,否则会影响流域边界内的动植物和人类群落。地理空间技术,如遥感和地理信息系统,全球定位系统是有用的快速和经济有效的研究不同的应用和精确的规划。它还为

下提供了良好的质量视角。
不同交换性钠含量条件下,培养时间对可提取氟和磷的影响 //www.a-i-l-s-a.com/index.php/vol12no3/influence-of-incubation-periods-on-extractable-fluoride-and-phosphorous-at-different-exchangeable-sodium-percentage-levels/ 2017-11-10 2018-11-17 Manoj Barnwal , S. Sharma , Mohammad Bhat , Sonia Rani 第12卷,第3期

Introduction Fluoride (F&minus;) is an anion of fluorine characterized by small radius having extraordinary tendency to act as a ligand and readiness to form numerous organic and inorganic compounds in soil, rocks, air, plants and animals.1 The element fluorine is present in phosphatic fertilizers, soils and plants. The concentration of this element in these resources, although variable, is of the order 3&times;104, 3&times;102 and 3&times;100 ppm, respectively; therefore, de

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通过室内培养试验,研究了不同交换性钠含量(ESP)下,不同培养时间对土壤可提取氟(F)和磷(p)的影响。将不同量的碳酸氢钠溶解于蒸馏水中,按土壤饱和百分比计算体积,制备不同电离能水平(30、45和60)的土壤。制备土壤的ESP值分别为27.1、43.7和54.9。孵化研究< / p > . . 印度本德尔坎德半干旱区绿腹合欢农林业系统下树木修剪后生物量分解及氮动态 //www.a-i-l-s-a.com/index.php/vol12no3/decomposition-and-nitrogen-dynamics-of-tree-pruned-biomass-under-albizia-procera-based-agroforestry-system-in-semi-arid-region-of-bundelkhand-india/ 2017-10-21 2018-11-26 Garima Gupta , R.S Yadav , Deepak Maurya 第12卷,第3期

Introduction Agroforestry practices are recommended to achieve soil conservation and it is a sustainable option in improving the livelihood as well as creating opportunities for the rural people of semi arid region of bundelkhand1. Most of the tree species recommended are fast-growing, leguminous species which can be pruned to a desirable height at appropriate frequencies. These pruning which consist of leaves and immature stems are added to the soil between crop rows. Therefore, while acting

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土地利用与土地覆盖动态空间分析是区域土地资源可持续利用与管理的必要条件。遥感与地理信息系统一起成为一种有效的技术,以高效率和具有成本效益的方式绘制一个地区的土地资源/土地资源类别。本研究是在印度中央邦巴拉加特和曼德拉地区的班贾尔河流域进行的。归一化植被指数

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