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Soil Forces Prediction on Animal Traction Operation in Bongo District of the Upper East Region of Ghana 加纳上东部地区邦戈区动物牵引作业的土力预测
Pub Date : 2024-07-17 DOI: 10.9734/ijecc/2024/v14i74305
Christopher Amigangre Ayambire, T. Adongo, Samuel Appah
The soil and implement interaction during ploughing can be analyzed through the geometry and working depth of the implement and soil parameters such as shear stress, cohesion and soil internal frictional angle. The objective of the study was to predict the forces that react with the implement parts during ploughing in the three (3) sampled areas in Bongo District. Soil samples were taken at a 30 cm depth. Laboratory tests were performed on them on triaxial, grading and Atterberg limits. The results were used to describe the soil and for the force prediction. There were some field tests to determine tractive efforts, speed of travel and ploughing depth. The three (3) soil types considered were sandy loam, loamy sand and course loamy sand. Food and Agriculture Organization classified the three (3) soil types as Lixisols and the local soil series also put all the soil samples as Tranchera. At the time of ploughing, the densities were ranging from 1.28 to 1.44g/cm3 and moisture content of 9.43 to 22.96%. The rake angle measured on the animal plough was 190, and the soil metal frictional angles of the three soil type ranged from 32.355 to 37.1290 with soil cohesion of 0 kPa for course loamy sand, 2.664 kPa for loamy sand and 56.338 kPa for the sandy loam soil. The resultant (P) forces for the three soil samples; loamy sand, sandy loam and course loamy sand were 0.5551 kN, 0.1024 kN and 0.0106 kN respectively.
犁耕过程中土壤与机具的相互作用可通过机具的几何形状和工作深度以及剪应力、内聚力和土壤内摩擦角等土壤参数进行分析。这项研究的目的是预测在邦戈地区三(3)个取样区域犁地时与犁具部件发生反应的力。土壤样本采集深度为 30 厘米。对它们进行了三轴、分级和阿特伯极限实验室测试。试验结果用于描述土壤和预测力。还进行了一些实地测试,以确定牵引力、行进速度和犁地深度。所考虑的三(3)种土壤类型是砂质壤土、壤质砂土和普通壤质砂土。粮食及农业组织将这三(3)种土壤类型归类为 Lixisols,当地土壤系列也将所有土壤样本归类为 Tranchera。犁地时,密度为 1.28 至 1.44 克/立方厘米,含水量为 9.43 至 22.96%。畜力犁的耙角为 190,三种土壤的金属摩擦角在 32.355 至 37.1290 之间,土壤内聚力分别为:壤土为 0 千帕、壤土为 2.664 千帕、砂壤土为 56.338 千帕。三种土样(壤土、砂壤土和普通壤土)的结果(P)力分别为 0.5551 千牛、0.1024 千牛和 0.0106 千牛。
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引用次数: 0
Assessing the Impact of Groundwater Recharge on Underground Reservoir Replenishment in Eastern Uttar Pradesh, India 评估地下水补给对印度北方邦东部地下水库补给的影响
Pub Date : 2024-07-17 DOI: 10.9734/ijecc/2024/v14i74301
Vijeta Singh, A. Sherring, Sumant Kumar, Prashant Rai, Vinod Kumar
Groundwater is considered a fresh resource of water and its uses have tremendously increased in the recent past due to an increase in population, rapid urbanization, and industrialization. In India, the groundwater level is declining in some parts of the country due to over-exploitation, low or negligible recharge of aquifer systems, and unsustainable development of groundwater resources. The groundwater modeling is an important tool for studying the past and present groundwater behavior and in the development of future strategies for sustainable groundwater management plans. To study the Impact of groundwater recharge on the replenishment of underground reservoir, Ballia district of Uttar Pradesh has been selected which is one of the districts of the most populous state of India, Uttar Pradesh. An attempt has been made to develop a groundwater model using Modflow software to simulate the groundwater trends and predict future groundwater heads. The calibration and validation of the model were done for 5 years and 3 years respectively. The correlation coefficient for calibration and validation was found 0.85 and root mean square errors vary from 2.89 to 3.2m variation in future trends of groundwater heads. The results of the study show that the developed model can be effectively used to predict the future groundwater heads. The groundwater flow was observed from the northwest to southeast direction. It was predicted from the study that groundwater draft will increase by 10% with a decrease in groundwater level by approximately 0.24 m in the north-west direction by the year 2025. However, no impact was observed in the south side of the district and it was predicted that the groundwater level would remain the same in this zone during the next 3 years.
地下水被认为是一种淡水资源,近年来,由于人口增加、城市化进程加快和工业化的发展,地下水的使用量大大增加。在印度,由于过度开采、含水层系统补给量低或可忽略不计以及地下水资源的不可持续开发,印度部分地区的地下水位正在下降。地下水模型是研究过去和现在地下水行为以及制定未来可持续地下水管理计划战略的重要工具。为了研究地下水补给对地下水库补给的影响,研究人员选择了北方邦的巴利亚区,该区是印度人口最多的邦--北方邦的一个区。尝试使用 Modflow 软件开发地下水模型,以模拟地下水趋势并预测未来地下水水头。模型的校准和验证分别进行了 5 年和 3 年。校准和验证的相关系数为 0.85,未来地下水水头趋势的均方根误差在 2.89 至 3.2 米之间。研究结果表明,所开发的模型可有效用于预测未来地下水水头。地下水流向为西北至东南方向。研究预测,到 2025 年,地下水吃水将增加 10%,西北方向的地下水位将下降约 0.24 米。不过,在该区南侧未观察到任何影响,预计未来 3 年该区域的地下水位将保持不变。
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引用次数: 0
Assessing the Sustainability and Performance of Hempcrete 评估大麻混凝土的可持续性和性能
Pub Date : 2024-07-16 DOI: 10.9734/ijecc/2024/v14i74299
Nidhi Parmar, Aditi Vats, Vaneeta Devi, S. Kwatra, R.K. Srivastava, S.B. Singh
Aim: Traditional construction materials like cement, concrete, glass, asphalt, and steel require more energy in the manufacturing process, which results in high GHG emissions. Therefore, researchers from all over the world are focusing on solutions to tackle carbon emissions, with hempcrete emerging as a less polluting construction material. Hempcrete is a bio-composite comprising a woody core of hemp stem and hydrated lime. The objective of the study is to find out the physical and mechanical properties of hemp-lime concrete.  Study Design: The present research paper is part of the ongoing study on hempcrete at G.B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, India. The present study chose an experimental research design.  Methodology: The study presents its results in two parts: performance and sustainability. The first part investigates the performance of hempcrete in terms of its physical and mechanical characteristics. The researcher conducted numerous trials to fix mix designs, focusing on their workability. Cubes of size 10 cm were cast manually for five distinct mix designs. The second part of the paper examines the sustainability aspect of hemp-lime concrete via a relevant literature review. Results: During the specified time intervals of 28, 56, 84, and 112 days, the cubes exhibited a range in weight density from 506 to 674 kg/m3. In parallel, the compression test results demonstrated varying values, spanning from 0.510 Mpa to 0.810 Mpa across the same time points. Results show that there is a negative correlation between density and compressive strength and a positive correlation between density and water absorption rate. Conclusion: The results pertaining to weight density highlight the lightweight nature of hempcrete, to the extent that the cubes have the propensity to float in water. Due to its relatively low compressive strength values, hempcrete is deemed suitable for non-load-bearing applications within building construction.
目的:水泥、混凝土、玻璃、沥青和钢材等传统建筑材料在生产过程中需要消耗更多能源,导致温室气体排放量居高不下。因此,世界各地的研究人员都在关注解决碳排放问题的方案,大麻混凝土作为一种污染较少的建筑材料正在崛起。大麻混凝土是一种生物复合材料,由大麻茎的木质芯和熟石灰组成。本研究的目的是了解麻石灰混凝土的物理和机械性能。 研究设计:本研究论文是印度北阿坎德邦潘特纳加 G.B. 潘特农业与技术大学正在进行的麻混凝土研究的一部分。本研究采用实验研究设计。 研究方法:研究结果分为两部分:性能和可持续性。第一部分研究麻混凝土的物理和机械性能。研究人员进行了多次试验,以确定混合设计,重点关注其工作性。针对五种不同的混合设计,用人工浇注了 10 厘米大小的立方体。论文的第二部分通过相关文献综述研究了麻石灰混凝土的可持续性。结果:在指定的 28、56、84 和 112 天时间间隔内,立方体的重量密度范围为 506 至 674 公斤/立方米。与此同时,压缩测试结果也显示出不同的数值,在相同的时间点上从 0.510 兆帕到 0.810 兆帕不等。结果表明,密度与抗压强度之间呈负相关,密度与吸水率之间呈正相关。结论与重量密度有关的结果凸显了大麻混凝土的轻质特性,以至于立方体有在水中漂浮的倾向。由于其抗压强度值相对较低,大麻混凝土被认为适用于建筑施工中的非承重应用。
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引用次数: 0
Climate Change impact on Weeds and Herbicide Efficacy 气候变化对杂草和除草剂药效的影响
Pub Date : 2024-07-16 DOI: 10.9734/ijecc/2024/v14i74298
Parvati, P. K., P. K M, Kashinath Gurusiddappa Teli
Climate change is the change in statistical distribution of weather pattern that lasts for an extended period of time. There are several components of these climate changes occurring globally that includes uneven rainfall, droughts, floods, warming of atmosphere etc. These are the most important challenges influencing natural ecosystems, agricultural productivity and food security. Climate change is not only influencing crop plants and forests directly but can also impact the pests of these crops. Weeds respond to climate change by changing the duration of their life cycles, population dynamics and shift to new habitats and become a potential competitor to crop plants thereby reducing the production and productivity of crops. Elevated temperature and elevated CO2 level in the environment interfere with herbicide activity, which affects the herbicide absorption, translocation and thereby reduces the efficacy of the applied herbicide. Weeds’ resistance to herbicides may probably increase due to further aggressive growth of weeds in future climate conditions, which can cause a decline in the efficacy of routinely used herbicides.
气候变化是指持续较长时间的天气模式统计分布的变化。这些气候变化在全球范围内发生,包括降雨不均、干旱、洪水、大气变暖等。这些都是影响自然生态系统、农业生产力和粮食安全的最重要挑战。气候变化不仅直接影响农作物和森林,还会影响这些农作物的害虫。杂草通过改变其生命周期的持续时间、种群动态和转移到新的栖息地来应对气候变化,并成为农作物的潜在竞争对手,从而降低农作物的产量和生产率。环境中温度升高和二氧化碳水平升高会干扰除草剂的活性,影响除草剂的吸收和转移,从而降低施用除草剂的效力。在未来的气候条件下,由于杂草的进一步猛烈生长,杂草对除草剂的抗药性可能会增加,从而导致常规使用的除草剂的药效下降。
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引用次数: 0
Germination Ecology and Ecology-based Management of Fimbristylis miliacea (L.) in Lowland Rice: A Review 低地水稻 Fimbristylis miliacea (L.) 的发芽生态学和基于生态学的管理:综述
Pub Date : 2024-07-15 DOI: 10.9734/ijecc/2024/v14i74295
Sethulakshmi V.S., Ameena M., Arindam Deb, Nimmy Jose, Fathima Umkhulzum S., R. B., Shilpa S., Shifina Shanavas
Fimbristylis miliacea (L.) Vahl, commonly referred to as globe fringerush, member of the Cyperaceae family, is a significant and widespread sedge weed in rice cultivation. This C4 plant is characterized by its tall, annual or perennial growth, featuring a fibrous root system and smooth stems, often producing vigorous tillers reaching heights of 80-90 cm. Seedlings of F. miliacea typically emerge shortly after rice is planted, with flowering occurring within about a month, capable of producing a second generation within the same growing season. Found extensively throughout tropical regions, especially in lowlands, F. miliacea thrives in environments such as rice fields, shallow water along ditches, and streams, notably prevalent across South and Southeast Asia, as well as Australia. This weed presents enduring challenges across diverse agro-ecosystems due to its various ecotypes, prolific seed production, rapid germination, vigorous growth, strong competitive abilities and allelopathic interactions. Temperature is a critical factor significantly influencing seed germination of F. miliacea which exhibits non-deep physiological dormancy. Light is essential for the germination of this weed showing positive photoblastic behaviour. F. miliacea thrives in saturated soils but fails to emerge from depths greater than one cm, emphasizing the importance of shallow tillage to manage weed emergence effectively. Effective weed management hinges on a deep understanding of the factors that favour its emergence and establishment. Adopting the germination ecology-based practices such as tillage, stale seed bed preparation, optimal planting density, water management and nutrient management can significantly improve the management of F. miliacea.
Fimbristylis miliacea (L.) Vahl,通常被称为球茎穗草,属于香蒲科,是水稻种植中一种重要而广泛的莎草杂草。这种 C4 植物的特点是生长高大,一年生或多年生,具有须根系统和光滑的茎,通常能产生高达 80-90 厘米的旺盛分蘖。通常在水稻种植后不久,F. miliacea 的幼苗就会萌发,并在大约一个月内开花,能够在同一生长季节产生第二代。小米草广泛分布于热带地区,尤其是低洼地带,在稻田、沟渠沿岸浅水区和溪流等环境中生长旺盛,在南亚、东南亚和澳大利亚尤为普遍。这种杂草具有多种生态型、种子产量高、发芽速度快、生长旺盛、竞争能力强和等效相互作用等特点,给不同的农业生态系统带来了持久的挑战。温度是严重影响 F. miliacea 种子萌发的关键因素,因为它表现出非深度生理休眠。光对这种杂草的萌发至关重要,它表现出积极的光吸收行为。小米草在饱和土壤中茁壮成长,但不能从超过一厘米的深度萌发,这强调了浅耕对有效管理杂草萌发的重要性。有效的杂草管理取决于对有利于杂草萌发和生长的因素的深入了解。采用以发芽生态学为基础的方法,如耕作、陈旧的苗床准备、最佳种植密度、水分管理和养分管理,可显著改善对 F. miliacea 的管理。
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引用次数: 0
Identifying the Traditional and Existing Tree–Crop Combination of Agroforestry System in Southern Part of Chhattisgarh, India 确定印度恰蒂斯加尔邦南部地区传统和现有的树-作物组合农林系统
Pub Date : 2024-07-15 DOI: 10.9734/ijecc/2024/v14i74296
Kamesh, S. Nema, B. Singh
The present study was conducted in Bastar district of Chhattisgarh to identify the traditional and existing agroforestry practices used by farmers. The data were collected through survey of field visits and filled out of pre-prepared questionnaires in four blocks of Bastar district, namely Jagdalpur, Bastar, Tokapal and Bakawand. The survey revealed six different types of agroforestry system practices i.e., agrisilvihorticulture, agrisilviculture, silvihorticulture, agrisilvipastoral, silvihortipastoral, and agrisilvihortipastoral. Among these, 67% of farmers were practiced agrisilvihorticulture-type agroforestry systems. Farmers in Bastar were found to use 29 different tree crops, 17 horticultural crops, 20 vegetable crops, and 11 agricultural crops in their fields.
本研究在恰蒂斯加尔邦的巴斯塔地区进行,旨在确定农民使用的传统和现有农林业做法。数据是通过实地考察和填写事先准备好的调查问卷收集的,调查对象是巴斯塔地区的四个区,即 Jagdalpur、Bastar、Tokapal 和 Bakawand。调查显示了六种不同类型的农林系统实践,即农林园艺、农林种植、硅园艺、农林畜牧、硅畜牧和农林畜牧。其中,67%的农民种植农艺园艺型农林系统。巴斯塔尔的农民在田间种植了 29 种不同的树木作物、17 种园艺作物、20 种蔬菜作物和 11 种农作物。
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引用次数: 0
Effect of Potassium Schoenite (Mahalaabh) on Growth and Yield of Castor, Cotton and Groundnut Schoenite 钾(Mahalaabh)对蓖麻、棉花和落花生生长和产量的影响
Pub Date : 2024-07-15 DOI: 10.9734/ijecc/2024/v14i74294
Suresh Acharya, Kishan N. Patel, R. G. Dharaviya
The need for precise nutrient application has become crucial in agriculture due to climate change and intensive farming practices. Deficiencies in potassium, magnesium and sulphur are critical for enhancing both crop yield and quality. Additionally, agrochemical residues in soil, water and farm products pose significant challenges. Mahalaabh (K2SO4·MgSO4·6H2O), a combination of potassium, sulphur and magnesium, offers a balanced solution to address these issues. Field experiments were conducted during the Kharif season of 2023-24 at Agrocel Industries Pvt. Ltd., Kachchh, to evaluate the impact of Mahalaabh on castor, cotton and groundnut crops. The trials were executed in a Randomized Block Design, testing different doses of Mahalaabh powder through foliar spray, fertigation and granular soil application. The results demonstrated that Mahalaabh powder is effective in enhancing productivity across the tested crops. In castor, higher doses of 10 kg/acre through drip irrigation and 20g/L foliar application increased productivity by 22.3% and 14.3% over the recommended fertilizer dose (RFD), respectively. However, in cotton, lower doses of 6kg/acre through drip irrigation and 10g/L through foliar application were more effective, resulting in 3.8% and 5.3% yield enhancements compared to RFD. In groundnut, foliar spray at 15 g/L applied thrice at 30-35, 50-55, and 70-75 days after sowing (DAS) was effective, resulting in a 22.9% higher pod yield compared to RFD. These findings highlight the importance of balanced nutrient management practices tailored to specific crop requirements for achieving optimal agricultural productivity.  
由于气候变化和集约化耕作方式,精确施用养分在农业中变得至关重要。钾、镁和硫的缺乏对提高作物产量和质量至关重要。此外,土壤、水和农产品中的农用化学品残留也构成了重大挑战。Mahalaabh(K2SO4-MgSO4-6H2O)是钾、硫和镁的组合,为解决这些问题提供了平衡的解决方案。Agrocel Industries Pvt. Ltd., Kachchh 在 2023-24 年的 Kharif 季节进行了田间试验,以评估 Mahalaabh 对蓖麻、棉花和花生作物的影响。试验采用随机区组设计,通过叶面喷施、灌溉施肥和土壤颗粒施肥对不同剂量的 Mahalaabh 粉剂进行了测试。结果表明,Mahalaabh 粉能有效提高受试作物的产量。在蓖麻中,通过滴灌和叶面喷施每英亩 10 千克和每升 20 克的高剂量分别比推荐肥料剂量(RFD)提高了 22.3% 和 14.3%。然而,在棉花上,滴灌施肥每英亩 6 千克和叶面喷施每公升 10 克的低剂量更为有效,与建议施肥量相比,产量分别提高了 3.8%和 5.3%。在花生中,在播种后 30-35 天、50-55 天和 70-75 天(DAS)三次叶面喷施 15 克/升的肥料是有效的,与 RFD 相比,豆荚产量提高了 22.9%。这些研究结果突显了根据作物的具体要求采取均衡的养分管理措施对实现最佳农业生产率的重要性。
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引用次数: 0
Assessment of the Influence of zaï, Stone Rows, and Organo-mineral Fertiliser on Soil Properties and Groundnut Yields Performances in Sudan Sahelian Zone of Burkina Faso 评估布基纳法索苏丹萨赫勒地区扎伊、石排和有机矿物肥料对土壤特性和花生产量的影响
Pub Date : 2024-07-15 DOI: 10.9734/ijecc/2024/v14i74293
Harouna Ouédraogo, Edmond Hien, Yacouba Diallo, Poulouma Louis Yaméogo, Udo Nehren
Groundnut occupies a vital position in oilseed crop production in Burkina Faso, with current production at 630,526 tonnes. However, its production faces threats from drought and low soil fertility. This study aims to determine the influence of zaï, stone rows, ridge tillage, and mineral fertilisation on soil health and on groundnut yields performances in Sudan Sahelian zone of Burkina Faso. Experimental treatments were distributed randomly following a Fisher block design, comprising four treatments and five replications, in the village of Sandogo. Data on soil properties, plant growth, and yields were analysed using variance analysis in R software. The results indicate significant influences of the treatments on carbon content, nitrogen content, phosphorus content, pH values, soil moisture content, soil carbon dioxide release, and soil macrofauna. Moreover, notable effects were observed on the number of nodules, drier nodule weight, number of leaves and branches, pod load, pod and straw yields, and the weight of 100-pods. The highest carbon content (0.857; 0.861%), nitrogen content (0.081%; 0.087%), phosphorus content (7.488; 7.735 mg.kg-1), pH values (6.43; 6.54), and soil moisture content (24.80; 25.27%) were recorded in the homogeneous group of zaï and zaï associated to stone rows. The highest carbon dioxide release (2863.33 ppm) was recorded in plots treated with stone rows. Ants were the most widely encountered macrofauna, whereas no earthworms were recorded. The highest performance in terms of the number of nodules (84.76; 87.88), dry nodule weight (0.0893; 0.0886 g/plant), number of leaves (40; 40), number of branches (6; 6), pod load (25; 25), weight of 100-pods (112.90; 111.98 g), straw yields (1673.28; 1664.87 kg.ha-1), and pod yields (2122.32; 2161.96 kg.ha-1) were achieved with zaï and zaï combined with stone rows. Zaï and zaï combined with stone rows can therefore be used as effective alternatives to improve groundnut production in the Sudan Sahelian zone of Burkina Faso in a context of climate change, while protecting the environment. 
落花生在布基纳法索的油料作物生产中占有重要地位,目前产量为 630 526 吨。然而,其生产面临着干旱和土壤肥力低的威胁。本研究旨在确定在布基纳法索苏丹萨赫勒地区,ZAI、石垅、脊耕和矿物肥料对土壤健康和花生产量的影响。在桑多戈(Sandogo)村采用费舍尔区组设计随机分配试验处理,包括四个处理和五个重复。使用 R 软件对土壤特性、植物生长和产量数据进行了方差分析。结果表明,处理对碳含量、氮含量、磷含量、pH 值、土壤水分含量、土壤二氧化碳释放量和土壤大型动物有明显影响。此外,还观察到对结节数量、干结节重量、叶片和枝条数量、结荚量、结荚和秸秆产量以及百荚重的显著影响。碳含量(0.857%;0.861%)、氮含量(0.081%;0.087%)、磷含量(7.488;7.735 mg.kg-1)、pH 值(6.43;6.54)和土壤水分含量(24.80%;25.27%)最高的是与石垅相连的同质寨和寨。石排地块的二氧化碳释放量最高(2863.33 ppm)。蚂蚁是最常见的大型动物,而没有记录到蚯蚓。在结节数(84.76;87.88)、结节干重(0.0893;0.0886 克/株)、叶片数(40;40)、分枝数(6;6)、结荚量(25;25)、百荚重(112.茎秆产量(1673.28;1664.87 千克/公顷)和豆荚产量(2122.32;2161.96 千克/公顷)。因此,在气候变化的背景下,Zaï 和 zaï 与石垅相结合可作为布基纳法索苏丹萨赫勒地区提高花生产量的有效替代品,同时还能保护环境。
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引用次数: 0
Green Silk Road and Belt Economic Initiative and Local Sustainable Development: Through the Lens of China’s Clean Energy Investment in Central Asia 绿色丝绸之路和 "一带一路 "经济倡议与地方可持续发展:透过中国在中亚的清洁能源投资
Pub Date : 2024-07-13 DOI: 10.9734/ijecc/2024/v14i74288
Shuqin Gao, Guy S. Liu
This paper examines how China’s renewable energy investment contributes to the Central Asian countries’ GHG emission reduction target to meet their global climate commitments and the United Nations 2030 Sustainable Development Goals (SDGs2030).  The introduction analyzes what problems have emerged in China’s Green Silk Road and Belt Economic Initiative (SRBI) and how global climate change is viewed to affect sustainable energy transition in the Central Asian countries. The paper will then focus on what response in national energy structures have been adopted by Central Asian countries to address global climate change commitments. The main focus of this paper is on how China’s renewable energy investment in Central Asia contributes to solving essential problems for sustainable energy transition, bridging technical gaps and financial barriers for the low-carbon sustainable energy transition and aligning with the Paris agreement to fulfill global climate commitments. The limited institutional capacity and market failure in renewable policy ecosystems in Central Asian countries jeopardizes domestic climate investment and China’s renewable investment potential, increasing national spending for sustainable development transition and triggering huge fiscal deficit and debt crises. This endogenous systemic risk deteriorates financial and technical barriers. This requires regional and multilateral renewables coordination and climate cooperation. China needs to set up a comprehensive green policy for the Central Asian countries to get full support from local and international society. PPP and multilateral cooperation in the international renewables investment have not only mobilized more climate financial resources but also mitigate and diversify market failure risk.
本文探讨了中国的可再生能源投资如何促进中亚国家的温室气体减排目标,以实现其全球气候承诺和联合国 2030 年可持续发展目标(SDGs2030)。 引言分析了中国绿色丝绸之路和 "一带一路 "经济倡议(SRBI)中出现的问题,以及如何看待全球气候变化对中亚国家可持续能源转型的影响。然后,本文将重点讨论中亚国家在国家能源结构中采取了哪些应对措施,以履行全球气候变化承诺。本文的重点是中国在中亚的可再生能源投资如何有助于解决可持续能源转型的基本问题,缩小低碳可持续能源转型的技术差距和资金障碍,并与巴黎协定保持一致,履行全球气候承诺。中亚国家可再生能源政策生态系统中有限的机构能力和市场失灵危及国内气候投资和中国的可再生能源投资潜力,增加国家可持续发展转型的支出,并引发巨大的财政赤字和债务危机。这种内生的系统性风险恶化了金融和技术壁垒。这就需要区域和多边可再生能源协调与气候合作。中国需要为中亚国家制定全面的绿色政策,以获得当地和国际社会的全力支持。国际可再生能源投资中的公私伙伴关系和多边合作不仅调动了更多的气候金融资源,而且缓解和分散了市场失灵风险。
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引用次数: 0
Impact of AI based Irrigation Scheduling Approaches and Drip Irrigation Methods on Yield of Chilli (Capsicum annum L.) and Chemical Properties of Soil 基于人工智能的灌溉调度方法和滴灌方法对辣椒(Capsicum annum L.)产量和土壤化学性质的影响
Pub Date : 2024-07-13 DOI: 10.9734/ijecc/2024/v14i74291
K. Bhavitha, M. L. Pasha, V. Ramulu, T. R. Prakash, P. Rajaiah, P. Revathi
Aim: To assess the effect of AI based irrigation scheduling approaches and drip irrigation methods on soil chemical properties and yield  in chilli. Study Design: The study employs drip irrigation methods as the main plots and irrigation scheduling approaches as the subplots. A split plot design was chosen as suitable design because the main plots (drip irrigation methods) need a bigger plot sizes and subplots (irrigation scheduling approaches) requires more precise results with smaller plot sizes. Place and Duration of Study: Water Technology Centre field, College Farm, College of Agriculture, Rajendranagar, Hyderabad during rabi 2022-23 (first year) and 2023-24 (second year). Methodology: The investigation consisted of two drip irrigation methods as main plots and four irrigation scheduling approaches as subplots with total of 8 treatment combinations replicated thrice. Data recorded on various parameters was subjected to scrutiny by ANOVA technique for split plot design concept. Results: Green (fresh) fruit and stalk yield was found to be significantly higher under subsurface drip (41859 and 5037 kg ha-1) among drip irrigation methods; whereas, among irrigation scheduling approaches, ET sensor based irrigation triggering resulted in significantly higher green (fresh) fruit and stalk yield (43139 and 5196 kg ha-1) followed by irrigation scheduling at 1.0 Epan by manual (control) (42235 and 5065 kg ha-1). The post-harvest soil chemical properties were found to be non-significantly influenced by drip irrigation methods and irrigation scheduling approaches. Conclusions: Subsurface drip and ET sensor based irrigation triggering resulted in higher fruit and stalk yield which might be recommended for conserving irrigation water and reducing labour use. Whereas, the drip irrigation methods and irrigation scheduling approaches did not exert any significant influence on chemical properties of post-harvest soil.
目的:评估基于人工智能的灌溉调度方法和滴灌方法对辣椒土壤化学性质和产量的影响。研究设计:本研究采用滴灌方法为主小区,灌溉调度方法为副小区。由于主小区(滴灌方法)需要较大的小区面积,而子小区(灌溉调度方法)需要较小的小区面积来获得更精确的结果,因此选择了分小区设计作为合适的设计。研究地点和时间:2022-23 年(第一年)和 2023-24 年(第二年),海得拉巴 Rajendranagar 农业学院学院农场水技术中心田间。调查方法:调查以两种滴灌方法为主地块,四种灌溉调度方法为副地块,共有 8 种处理组合,重复三次。采用方差分析技术对分小区设计概念下记录的各种参数数据进行了仔细分析。结果在滴灌方法中,地表下滴灌的绿色(新鲜)果实和果柄产量(41859 和 5037 千克/公顷-1)明显更高;而在灌溉调度方法中,基于蒸散发传感器的灌溉触发导致绿色(新鲜)果实和果柄产量(43139 和 5196 千克/公顷-1)明显更高,其次是人工(对照)1.0 Epan 的灌溉调度(42235 和 5065 千克/公顷-1)。滴灌方法和灌溉调度方法对采后土壤化学性质的影响不显著。结论地表下滴灌和基于蒸散发传感器的灌溉触发可提高果实和茎秆产量,可推荐用于节约灌溉用水和减少劳动力使用。而滴灌方法和灌溉调度方法对采后土壤的化学特性没有显著影响。
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引用次数: 0
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International Journal of Environment and Climate Change
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