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Effects of marketing information on coffee farmers and trader’s performance in Kibinge sub county, Bukomasimbi district of Central Uganda 营销信息对乌干达中部Bukomasimbi地区Kibinge县咖啡农和贸易商业绩的影响
Pub Date : 2023-02-28 DOI: 10.53771/ijlsra.2023.4.1.0023
Simon Peter Rugerinyange, Mukadasi Buyinza
Marketing channel choice is among the most complex and challenging decisions facing farmers. This study therefore evaluate the impact of marketing information available to coffee farmers and traders in Bukomansimbi district of Uganda. The specific objective was to identify the methods through which coffee farmer’s access market information and to determine the challenges they face in an effort to access market information. A cross-sectional research design was employed to collect data from 48 smallholder coffee farmers using semi-structured questionnaire, participatory group discussions and key informants interviews. Using a purposive and stratified simple random sampling procedure, 48 respondents comprising of coffee farmers and traders were selected and interviewed. The study results revealed that Coffee farmers don't access information on some of the opportunities and programmes that could enable them to improve the production process and hence access better markets. When farmers market their coffee through cooperatives, they gain more because there will be no middlemen involved in the value chain. Through Co-operatives, it is also easy to ensure product quality besides accessing good markets that pay premium prices for the coffee. It was discovered that 35% of the cooperatives in the study district produce speciality Arabica coffee and fine Robusta coffee, which fetch premium prices on the global market. The study also established that farmers use word of mouth from other farmers and traders as source of their information. The policy recommendation is that Coffee farmers should conduct market assessment and research to get update information about the market dynamics and current price changes. The ideal extension model should be farmer centered with necessary linkages to markets, researchers, subject matter specialists, inputs providers, credit facilities, and other support services. An appropriate extension system should focus on farmer groups rather than individuals with an emphasis on group extension methods. Thus a sustainable extension model which is farmer-owned with a strong market focus should be promoted. The Uganda Coffee Development Authority should conduct training programmes to equip farmers with the skills and knowledge on how to ensure quality along the coffee value chain as well as on coffee marketing.
营销渠道的选择是农民面临的最复杂和最具挑战性的决定之一。因此,本研究评估了对乌干达Bukomansimbi地区咖啡农和贸易商提供的营销信息的影响。具体目标是确定咖啡农获取市场信息的方法,并确定他们在获取市场信息方面面临的挑战。采用横断面研究设计,采用半结构化问卷、参与式小组讨论和关键举报人访谈的方式对48名咖啡小农进行数据收集。采用有目的分层的简单随机抽样方法,选取了48名咖啡农和贸易商作为调查对象进行访谈。研究结果表明,咖啡农无法获得有关一些机会和计划的信息,这些机会和计划可以使他们改善生产过程,从而进入更好的市场。当农民通过合作社销售他们的咖啡时,他们会获得更多,因为价值链中没有中间人。通过合作社,除了进入支付高价咖啡的好市场外,还很容易确保产品质量。研究发现,研究区内35%的合作社生产特色阿拉比卡咖啡和优质罗布斯塔咖啡,这些咖啡在全球市场上售价不菲。该研究还证实,农民使用其他农民和贸易商的口口相传作为他们的信息来源。政策建议是,咖啡农应该进行市场评估和研究,以获取有关市场动态和当前价格变化的最新信息。理想的推广模式应该以农民为中心,与市场、研究人员、专题专家、投入品提供者、信贷设施和其他支助服务建立必要的联系。适当的推广制度应侧重于农民群体而不是个人,强调群体推广方法。因此,应推广以市场为中心的农民所有制可持续推广模式。乌干达咖啡发展局应开展培训项目,使农民掌握如何确保咖啡价值链上的质量以及咖啡营销方面的技能和知识。
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引用次数: 0
An overview of public health implications of mycotoxins contamination of maize and guinea corn from markets in Kogi State, Nigeria 尼日利亚科吉州市场上的玉米和几内亚玉米霉菌毒素污染对公共卫生的影响概述
Pub Date : 2023-02-28 DOI: 10.53771/ijlsra.2023.4.1.0028
Babatunde Gabriel Olorunnado, Felix Enemaku Ojade
Maize and guinea corn being one of the most important staple in Nigeria were evaluated for their mycotoxins contents., 20 samples of maize and 20 sample of guinea corn ( 10 samples collected from the markets and 10 samples collected from the ware house) were obtained from three different senatorial zone of Kogi State. A total of 30 samples of maize and 30 samples of guinea corn collected from the three zones of Kogi state were analyzed for the presence of Aflatoxin B1, AflatoxinB2, Fumonisin, Ochratoxin A, and Zearalenone. The result revealed the presence of the studied mycotoxins in 67 % of all the 60 samples. The results also revealed the presence of mycotoxins in 80 % of the 15 maize samples picked from the market and 73 % of the 15 maize samples picked from the ware house in the three senatorial zone. Also the percentage composition of all the mycotoxins present in the 30 samples of guinea corn was 67% of the 15 samples picked from the markets and 47% of the 15 samples picked from the ware house respectively. Among all the studied mycotoxins, only fumonisin have its concentration above the recommended limit approved by the Joint Expert Committee on Food Additives of the WHO and FAO (JECFA). The concentration of the remaining mycotoxins under study is nothing to be worried about but, adequate measure should be taken to checkmate the conditions that expose the food crops to the growth of fungi.
玉米和几内亚玉米是尼日利亚最重要的主食之一,对其真菌毒素含量进行了评估。,从科吉州三个不同的参议院区获得了20个玉米样本和20个几内亚玉米样本(10个样本从市场收集,10个样本从仓库收集)。对从科吉州三个地区采集的30份玉米样品和30份几内亚玉米样品进行了黄曲霉毒素B1、黄曲霉毒素b2、伏马菌素、赭曲霉毒素A和玉米赤霉烯酮的检测。结果显示,在所有60份样本中,67%存在所研究的真菌毒素。结果还显示,在三个参议院区从市场上采摘的15个玉米样品中,80%的玉米样品和从仓库采摘的15个玉米样品中有73%的玉米样品存在霉菌毒素。此外,从市场采摘的15个几内亚玉米样品中,30个样品中存在的所有真菌毒素的百分比组成为67%,从仓库采摘的15个样品中,这一比例分别为47%。在所研究的真菌毒素中,只有伏马菌素的浓度超过了世卫组织和粮农组织食品添加剂联合专家委员会批准的建议限量。研究中剩余真菌毒素的浓度没有什么值得担心的,但是,应该采取适当的措施来检查使粮食作物暴露于真菌生长的条件。
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引用次数: 0
Status function and effectiveness of management of the Bukit Barisan Selatan National Park–Indonesia Bukit Barisan Selatan国家公园的现况、功能及管理成效
Pub Date : 2023-02-28 DOI: 10.53771/ijlsra.2023.4.1.0033
Christine Wulandari, Nanda Kurniasari, Wulan Ayu Lestari, Arif Ilmayawan, Hari Kaskoyo, Samsul Bakri
This study aims to determine the functional status of the area and the management effectiveness of the Bukit Barisan Selatan National Park (BBSNP). The effectiveness of conservation area management is needed to determine success in managing conservation areas, especially those related to achieving management goals. The method used in this research is a literature study conducted in August-September 2022. Analysis of the management effectiveness of the BBSNP uses the METT (Management Effectiveness Tracking Tools) method which has been carried out by the BBSNP Center. The results showed that the level of effectiveness of BBSNP in the 2015-2019 strategic planning period was 77%. This achievement exceeded the Directorate General of Natural Resources and Ecosystem Conservation Strategic Plan target for that period because the minimum index value was 70%. The status of BBSNP that year was Tropical Rainforest Heritage of Sumatra. So it is very possible that there is an intensive management strategy to maintain this status. The role of leadership and management support from all parties is needed to always maintain management effectiveness and optimize the area's functions according to the vision, mission and management objectives.
本研究旨在确定武吉国阵西拉丹国家公园(BBSNP)的功能状态和管理有效性。需要保护区管理的有效性来决定保护区管理的成功,特别是与实现管理目标有关的管理。本研究采用的方法是在2022年8 - 9月进行的文献研究。BBSNP的管理有效性分析使用了METT(管理有效性跟踪工具)方法,该方法由BBSNP中心实施。结果表明,2015-2019年战略规划期间,BBSNP的有效性水平为77%。这一成就超过了自然资源和生态系统保护战略规划总局在该时期的目标,因为最低指数值为70%。当年BBSNP的地位是苏门答腊热带雨林遗产。所以很有可能会有一种强化的管理策略来维持这种状态。需要各方的领导作用和管理支持,以始终保持管理有效性,并根据愿景,使命和管理目标优化区域的功能。
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引用次数: 0
Organic fertilizer application to improve bacterial quality and rice production 施用有机肥提高细菌品质与水稻产量
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0017
Zulzain Ilahude, Hayatiningsih Gubali, Mohamad Lihawa, Mohamad Ikbal Bahua
Organic fertilizers are very useful for increasing the nutrient content needed by plants, increasing plant productivity, stimulating the growth of plant organs and fertilizing the soil. This study aims to determine the increase in the quality of bacteria and production of rice plants (Oryza sativa). The research was carried out in paddy fields belonging to the Agriculture Service of Bone Bolango Regency, Gorontalo Province, Indonesia, from September to December 2022. The researchusing Completely Randomized Block Design with 6 treatments 3 replications. The plant used is rice Cakrabuana variety.Plant spacing using the Jajar Legowo system 4: 1 with a spacing of 15 cm x 22 cm and a row width of 40 cm Legowo.The plot size used is (10 x 5) m. The bacterial population was calculated using the SANICHECK kid bacterial test. The dose of Granul organic fertilizer that uses 10 tons and 20 tons/hectare. The research results show thatGranule organic fertilizer 20 tons/hectare can improve the quality of bacteria from 10.13 to 10.17 cfu/ml compared to other treatments. Granular organic fertilizer 20 tons/hectareand recommended NPK is the best treatment that can increase the production of harvested dry grain by 7.4 tons/hectare and dry milled grain by 4.24 tons/hectare.
有机肥在增加植物所需的养分含量、提高植物生产力、刺激植物器官生长和给土壤施肥等方面非常有用。本研究旨在确定水稻植株(Oryza sativa)细菌质量和产量的增加。该研究于2022年9月至12月在印度尼西亚戈龙塔洛省Bone Bolango Regency农业局的水田进行。本研究采用完全随机区组设计,6个处理,3个重复。所使用的植物是一种水稻品种。株距采用Jajar乐高窝系统4:1,株距为15厘米× 22厘米,行宽为40厘米乐高窝。使用的小区面积为(10 × 5) m。使用SANICHECK儿童细菌试验计算细菌数量。颗粒有机肥的用量为10吨/公顷和20吨/公顷。研究结果表明,与其他处理相比,施用20吨/公顷颗粒有机肥可使细菌质量提高10.13 ~ 10.17 cfu/ml。颗粒有机肥20吨/公顷和推荐氮磷钾处理可使收获干粮增产7.4吨/公顷,干粮增产4.24吨/公顷。
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引用次数: 0
Molecular profile of Pfatpase-6 gene from Plasmodium falciparum isolates in Nigeria 尼日利亚恶性疟原虫分离株Pfatpase-6基因的分子谱分析
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0153
Deborah Adedire, Chiamaka Iwegbulam, Roland Funwei, Temitope Owoeye, Zainab Kashim-Bello, Adeola Orogade, Catherine Falade, Oyekanmi Nash
Anti-malarial drug resistance is one of the biggest public health burdens confronting global malaria control programmes. The emergence of P. falciparum chloroquine resistance transporter and multi-drug resistance mutant genes had devastating effects on the therapeutic efficacy of chloroquine when it was the drug of choice for malaria treatment. The artemisinins have proven to be an excellent therapeutic alternative to fill the void in chemotherapeutic options left by resistance mechanisms. The sarco/endoplasmic reticulum Ca2+-ATPase ortholog of P. falciparum (PfATPase-6) has been suggested as one of the targets of the artemisinins. Consequently, Pfatpase-6 gene polymorphisms are being investigated as markers of artemisinin resistance elsewhere. The present study assessed the molecular profile of the current prevalence of four P. falciparum candidate artemisinin resistance biomarkers L263E, E431K, A623E, and S769N in the Pfatpase-6 gene in 113 samples of P. falciparum isolates collected from Ibadan, Oyo State, Nigeria between 2017 and 2018. The frequency of occurrence of E431K mutation was 17% from collected samples. No A623E, L263E and S769N were detected. The result suggests that resistance to artemisinin has either not yet been selected in Nigeria or other genes mutations might be responsible for such, if at all
抗疟疾药物耐药性是全球疟疾控制规划面临的最大公共卫生负担之一。当氯喹作为治疗疟疾的首选药物时,恶性疟原虫氯喹耐药转运体和多药耐药突变基因的出现对氯喹的治疗效果产生了破坏性影响。青蒿素已被证明是填补耐药机制留下的化疗方案空白的一种极好的治疗选择。恶性疟原虫的sarco/内质网Ca2+- atp酶同源物(PfATPase-6)被认为是青蒿素的靶点之一。因此,正在其他地方研究Pfatpase-6基因多态性作为青蒿素耐药性的标记。本研究评估了2017年至2018年在尼日利亚奥约州伊巴丹收集的113份恶性疟原虫分离物样本中Pfatpase-6基因中4种恶性疟原虫候选青蒿素耐药生物标志物L263E、E431K、A623E和S769N的当前流行情况。E431K突变发生率为17%。未检出A623E、L263E和S769N。这一结果表明,在尼日利亚,对青蒿素的耐药性要么尚未被选择,要么可能是其他基因突变导致的,如果有的话
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引用次数: 0
The flower structure of Solanum caavurana Vell. (Solanaceae) and aspects of the pollination biology 龙葵的花结构。(茄科)及传粉生物学方面的研究
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0016
Tamara Francislaine Santana, Odair José Garcia de Almeida, Luiz Antonio de Souza
Aspects of the pollination biology and floral characteristics of Solanum caavurana Vell. Were investigated in a semidecidual seasonal forest fragment in Paraná, Brazil. Anthesis was diurnal and the Pseudaugochlora bees have visited the flowers with more frequency than other species. Sepals and petals had homogeneous parenchymatous mesophyll. The young anther wall was composed of epidermis, two or three layers of endothecium, two middle layers and secretory tapetum. Anthers were poricidal and there was no functional longitudinal stomium. Ovary structure was simple and there was compitum with septum split. Ovules were hemicampylotropous, unitegmic and tenuinucellate with hypostase. The flower of S. caavurana followed the Solanum pattern described in the literature, and the pollination should be made by bees.
龙葵传粉生物学及花学特性研究。在巴西帕拉纳的半季节性森林片段中进行了调查。花期为昼夜,假绿藻蜂访花频率高于其他种类。萼片和花瓣具有均匀的薄壁叶肉。幼花药壁由表皮、两层或三层内壁、两层中间层和分泌绒毡层组成。花药是孢子状的,没有功能性的纵向气孔。子房结构简单,有雌蕊,隔裂。胚珠是半弯曲性的,单胞的,带胞质酶的腱状胚珠。caavurana的花遵循文献中描述的茄属植物的模式,应该由蜜蜂授粉。
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引用次数: 0
Balanced protein efficiency of broiler chickens given rations containing Jengkol peel extract (Pithecellobium jiringa (Jack) Prain) 枸杞皮提取物对肉鸡蛋白质平衡效率的影响
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0018
Abun Abun, Erna Siti Khodijah, Kiki Haetami
Background: The research was carried out in the Poultry Cage of the Faculty of Animal Husbandry, Padjadjaran University, Jatinangor, Sumedang. The research objective was to determine the effect and obtain the appropriate level of use of jengkol peel extract in a ration that produces an optimal balance of protein efficiency in broiler chickens. Materials and Methods: The study used 100 one-day-old broiler chickens (DOC) of the Cobb strain which were placed in 20 cage units for five weeks. The study used an experimental method with a completely randomized design (CRD) consisting of 4 ration treatments, namely R0 (basal ration without jengkol peel extract), and rations with the addition of jengkol peel extract, namely R1 (0.01%), R2 (0.02%), and R3 (0.03%), each treatment was repeated five times. The variables observed were body weight gain, protein consumption, and protein efficiency balance. Data were analyzed using variance and continued with Duncan's Multiple Range Test. Results: The results of the statistical analysis, of the balance protein efficiency (BPE) for broiler chickens, found that between treatments there was no significant difference (P>0.05) in BPE. However, was a significantly different (P<0.05) in body weight gain. The addition of jengkol peel extract (JPE) to the ration resulted in a chicken body weight gain that was as great as the ration treatment without JPE (R0), except the ration with the addition of 0.02% JPE (R2) resulted in a significantly higher broiler body weight gain than the treatment other. This is because the content of the active compound JPE is at the right dose so that it can function optimally. Conclusions: The use of jengkol peel extract in rations influences body weight gain, but does not affect protein consumption and protein efficiency balance. The use of jengkol peel extract at a level of 0.02% resulted in an optimal balance of protein efficiency in broiler chickens.
背景:本研究在苏梅当省贾提南戈尔市帕迪加兰大学畜牧学院的家禽笼中进行。本研究的目的是确定在肉仔鸡日粮中添加绵瓜皮提取物的效果,并获得适当的使用水平,以达到蛋白质效率的最佳平衡。材料与方法:选用100只1日龄Cobb型肉鸡,分20个笼位饲养5周。试验采用完全随机设计(CRD)的试验方法,分为4个日粮处理,即R0(基础日粮中不添加姜kol果皮提取物)和添加姜kol果皮提取物R1(0.01%)、R2(0.02%)和R3(0.03%),每个处理重复5次。观察到的变量包括体重增加、蛋白质消耗和蛋白质效率平衡。使用方差分析数据,并继续使用邓肯多元极差检验。结果:对肉鸡平衡蛋白效率(BPE)进行统计分析发现,各处理间BPE无显著差异(P>0.05)。但增重差异有统计学意义(P<0.05)。除JPE添加量为0.02%时肉鸡增重显著高于其他处理外,JPE添加量为0.02%时肉鸡增重显著高于未添加JPE处理(R0)。这是因为活性化合物JPE的含量在合适的剂量,使其能够发挥最佳作用。结论:在饲粮中使用姜kol皮提取物对体重增加有影响,但不影响蛋白质消耗和蛋白质效率平衡。饲粮中添加0.02%的姜kol皮提取物可使肉鸡蛋白质效率达到最佳平衡。
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引用次数: 0
Nosocomial pneumonia with multi-resistant bacteria in the intensive care units 重症监护病房多重耐药细菌的院内肺炎
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0019
S Kouara, K Lemhouer, J Elamouri, M Mahmoud, G Yahyaoui
A nosocomial pneumonia is a pulmonary infection occurring in a patient after 48 hours of care in a health care facility, it is an infection that is serious because it is often due to multi-resistant germs called multi-resistant bacteria. The objective of our study is to analyze the bacterial ecology of nosocomial pneumopathies in intensive care units and their evolution between January 1st 2021 and December 31st 2021. We conducted a monocentric retrospective study in the microbiology laboratory of the CHU HASSAN II of Fez. We analyzed all the respiratory microbiological diagnostic samples taken during this period (identified germ, sensitivity profile), and collected the demographic characteristics of the associated population. Out of 192 respiratory samples received, 106 were multidrug resistant bacteria (52.6%). The proportions of the different bacterial classes (BGN / CG+) have remained stable over the last 4 years with a predominance of Acinetobacter baumanii with 93%, followed by Klebsiella pneumoniae (4.7%) and Escherichia coli (2.83%)..Bacteria of clinical interest showed increasingly worrying levels of resistance to beta-lactam antibiotics, with the exception of methicillin-resistant Staphylococcus aureus, which remained stable between 2018 and 2021.This work is part of a process of improving antibiotic prescribing practices and analyzing the impact of changes in antibiotic therapy protocols on the ecology of the service.
院内肺炎是患者在卫生保健机构接受48小时治疗后发生的肺部感染,它是一种严重感染,因为它通常是由称为多重耐药细菌的多重耐药细菌引起的。我们的研究目的是分析2021年1月1日至2021年12月31日期间重症监护病房院内肺炎的细菌生态及其演变。我们在非斯的CHU HASSAN II微生物实验室进行了单中心回顾性研究。我们分析了在此期间采集的所有呼吸道微生物诊断样本(鉴定细菌,敏感性谱),并收集了相关人群的人口统计学特征。192份呼吸道样本中,多药耐药菌106份(52.6%)。不同细菌类别(BGN / CG+)的比例在过去4年中保持稳定,鲍曼不动杆菌占优势,为93%,其次是肺炎克雷伯菌(4.7%)和大肠杆菌(2.83%)。除耐甲氧西林金黄色葡萄球菌外,临床感兴趣的细菌对β -内酰胺类抗生素的耐药性水平越来越令人担忧,在2018年至2021年期间保持稳定。这项工作是改进抗生素处方做法和分析抗生素治疗方案变化对服务生态的影响的过程的一部分。
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引用次数: 0
Impact of fungi on historical monument with reference to Mahadev temple Bastar of Chhatisgarh 真菌对历史遗迹的影响,以恰蒂斯加尔邦的马哈德夫神庙为例
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0150
Dr. Sanjay Prasad Gupta, Manoj Kumar
Materials of built heritage are at risk of bio-deterioration caused by diverse populations of microorganisms living in biofilms. The microbial metabolites of these biofilms are responsible for the deterioration of the underlying substratum and may lead to physical weakening and discoloration of stone. Fungal ability in production of pigments and organic acids have crucial role in discoloration and degradation of different types of stone in cultural heritage objects. Additionally, stone objects may support novel communities of microorganism that are active in bio-deterioration process this investigation focused on mycological analyses of microbial biofilm from Mahadev temple, Bastar of Chhattisgarh state which is made of sand stone and which were heavily colonized by fungi. The eight fungal species on sand stone were isolated. Aspergillus sp. was common in stone structure. The identified micro fungi cause discoloration as well as mechanical exfoliation of building stone material that was analyzed through mechanical hyphae penetration and production of dark pigments and organic acids.
由于生活在生物膜中的不同微生物种群,建筑遗产的材料面临着生物退化的风险。这些生物膜的微生物代谢物会导致底层基质的恶化,并可能导致石头的物理弱化和变色。真菌产生色素和有机酸的能力在文物中不同类型石头的变色和降解中起着至关重要的作用。此外,石质物体可能支持在生物降解过程中活跃的新型微生物群落。本研究着重于对来自恰蒂斯加尔邦巴斯塔尔Mahadev寺庙的微生物生物膜进行真菌学分析,该微生物生物膜由砂岩制成,被真菌大量定殖。从砂石上分离出8种真菌。石质结构中常见曲霉属。鉴定的微真菌通过机械菌丝渗透和产生深色色素和有机酸来分析建筑石材的变色和机械剥落。
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引用次数: 0
Efficacy of compost made of food wastes with organic amendments for a sustainable and environment friendly agricultural system 由食物垃圾和有机改良剂制成的堆肥对可持续和环境友好型农业系统的功效
Pub Date : 2023-01-30 DOI: 10.53771/ijlsra.2023.4.1.0014
Wadenakonda Arachchige Shandini Ruwendra Fernando, Thamara Kalyani Weerasinghe
Organic amendments in composts are found to be an effective solution for the sustenance of the agriculture system, especially in reducing greenhouse gases. The objective of this research was to develop a compost type made with organic/mineral amendments for environment friendly agriculture. This preliminary study reports the quality of the compost made with different organic/mineral amendments, the performance of different compost types with and without amendments, the potential of organic amendments in reducing greenhouse gas emissions for an environmentally friendly agriculture and the best type of co-compost. Food waste was co-composted with banana peels, egg shells, onion peels and papaya peels individually with a 1:1 ratio; and the quality of the mature compost was measured using the physicochemical parameters. Six seedlings of Capsicum annuum were planted in potting mixtures with a 1:1:1 ratio of co-compost, top soil and sand. The positive control experiment was done with food waste compost and the negative control was with no compost. The performance of the six treatments were evaluated by measuring the plant height, the number of leaves in a plant, number of buds, number of pods and the average weight of pods. CO2 emission of the six treatments were measured by absorbing it to calcium hydroxide. The results showed that the co-compost made with banana peels was the best amendment, with better physicochemical characteristics and performance in growth. None of the treatments gave a significant reduction on the emission of carbon dioxide.
人们发现堆肥中的有机改良剂是维持农业系统的有效办法,特别是在减少温室气体方面。本研究的目的是开发一种用于环境友好型农业的有机/矿物改良剂堆肥类型。本初步研究报告了添加不同有机/矿物改良剂的堆肥质量,添加和不添加改良剂的不同类型堆肥的性能,有机改良剂在减少温室气体排放方面的潜力,以实现环境友好型农业,以及最佳的混合堆肥类型。将食物垃圾分别与香蕉皮、鸡蛋皮、洋葱皮和木瓜皮按1:1的比例共同堆肥;并利用理化参数对成熟堆肥的质量进行了测定。以6株辣椒幼苗为试验材料,采用混合堆肥、表层土和砂按1:1:1的比例进行盆栽试验。正对照试验采用厨余堆肥,负对照试验不采用堆肥。通过测定株高、单株叶数、芽数、荚果数和荚果平均重来评价6个处理的效果。采用氢氧化钙吸附法测定了6个处理的CO2排放量。结果表明,用香蕉皮配制的复合堆肥是最佳的添加剂,具有较好的理化特性和生长性能。没有一种处理方法能显著减少二氧化碳的排放。
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引用次数: 0
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