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Effect of Marketing Strategies on the Dairy Value Chain Returns and Food and Nutrition Security in Bungoma County, Kenya 营销策略对肯尼亚本戈马县乳制品价值链回报及食品和营养安全的影响
Pub Date : 2017-07-01 DOI: 10.9790/2380-1006024556
N. P. Koyi, D. Siamba
Dairy farming is ranked highly among the agricultural enterprises in Bungoma County due to its potential to enhance food security and alleviate poverty. Despite the huge livestock resource base, the poverty index for Bungoma County remains high (53%). The study investigated the Effect of Marketing Strategies on the Dairy Value Chain Returns and Food and Nutrition Security in Bungoma County, Kenya. This study was anchored on Porter's Value Chain theory. The study adopted correlational research design. The sample size comprised of seven hundred and eleven (711) respondents representing key dairy value chain actors. Respondents were sampled using random, census and purposive sampling. The study used semi-structured questionnaires, key informant interview schedules, focus group discussion and observation schedules to collect primary data. A Pilot study was carried out in Kimilili Sub-County and then sets of data analysed using Cronbach alpha method which yielded an alpha value of 0.824. Validity of research instruments was tested using content, construct and face validity. The data obtained was analysed using descriptive and inferential statistics. The study found informal marketing of dairy products was common among dairy farmers. Other marketing strategies were cooperative societies and contract marketing. Marketing strategies were influenced by price, access to market, availability of market information and demographic characteristics. On food security and nutrition, the months they faced severest food shortage were between January and March, as well as between April and June. The households were not able to eat the kinds of foods preferred, ate fewer meals in a day and spent whole day and night without eating anything. There was significant relationship between marketing strategies and dairy value chain returns on food and nutrition security with marketing strategies significantly explaining 27.3% of the variations in the food and nutrition security. The study concluded that marketing strategies of dairy products has significant effect on food and nutrition security. The study therefore recommends concerted effort to improve returns from informal marketing to facilitate food security and sustainable development
奶牛养殖在本戈马县的农业企业中排名靠前,因为它具有提高粮食安全和减轻贫困的潜力。尽管牲畜资源基础巨大,但本戈马县的贫困指数仍然很高(53%)。本研究调查了营销策略对肯尼亚邦戈马县乳制品价值链回报和食品与营养安全的影响。本研究以波特的价值链理论为基础。本研究采用相关研究设计。样本量包括711(711)名代表主要乳制品价值链参与者的受访者。受访者采用随机抽样、普查抽样和有目的抽样。本研究采用半结构化问卷、关键信息访谈计划、焦点小组讨论和观察计划来收集原始数据。在基米利利县开展初步研究,采用Cronbach alpha方法对数据进行分析,alpha值为0.824。研究工具的效度采用内容效度、结构效度和面效度进行检验。所获得的数据使用描述性和推断性统计进行分析。研究发现,乳制品的非正式营销在奶农中很常见。其他的营销策略是合作社和合同营销。市场营销战略受到价格、市场准入、市场信息的可得性和人口特征的影响。在粮食安全和营养方面,他们面临最严重粮食短缺的月份是1月至3月,以及4月至6月。这些家庭吃不到自己喜欢的食物,一天吃的饭更少,一整天都没有吃任何东西。营销策略与乳制品价值链食品和营养安全回报之间存在显著关系,营销策略显著解释了27.3%的食品和营养安全变化。研究表明,乳制品的营销策略对食品和营养安全具有重要影响。因此,该研究建议作出协调一致的努力,提高非正规营销的回报,以促进粮食安全和可持续发展
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引用次数: 3
Sexual Maturity of Male Chickens According To Early Response of Semen Collection 从采集精液的早期反应判断雄性鸡的性成熟
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007015863
Abou-Elewa E.M, A. Enab, F. Abdou
Determination of age at sexual maturity trait is very important before selection of breeding males of chickens without depending on female. A total of 44 males and 84 females at 13wks of age of Norfa chickens were used for this study. The aim of this study was to determine age at sexual maturity of cocks depending on the first response of semen collecting and to characterize some of semen parameters at the same time. Semen was collected by abdominal massage method. Studied traits were age at sexual maturity, body weight at sexual maturity, fertility, hatchability and egg weight at sexual maturity .Also, some of semen parameters included volume ,PH, concentration of sperms per ml, motility and percent of normal shape were studied. Males were divided into three groups; the first was early sexual maturity (G1)≤ mean-1S.D,the second was the moderate sexual maturity (G2)which equal to mean or not significant different with mean and the third was the late sexual maturity (G3)≥mean+1S.D.The summarized results show that male age at sexual maturity ( first response of semen collecting means were (AFR)) 91±0.0, 104.7±0.55 and 120.17±1.2d. of G1,G2 and G3 respectively ,There were highly significant differences among three groups. Female age at sexual maturity means were 144±162.05 d., 162.05±0.4 d. and 196±6.3 d. of G1,G2 and G3 respectively. ,with highly significant differences among three groups. There were no significance differences in semen quality traits at sexual maturity among all groups. Fertility in early group was greater than others. Hatchability in early group was greater than others. Males showed earlier sexual maturity than female, but differences between female groups were greater than male groups.
在选择不依赖雌性的种鸡前,性成熟年龄特征的确定是非常重要的。试验选用13周龄的诺法鸡44只公鸡和84只母鸡。本研究的目的是根据收集精液的第一反应来确定公鸡的性成熟年龄,并同时表征一些精液参数。采用腹部按摩法采集精液。研究性成熟年龄、性成熟体重、育性、孵化率和性成熟卵重等性状,并对精液的体积、PH值、每ml精子浓度、活动力和正常形态率等参数进行了研究。男性被分为三组;第一阶段为性成熟早期(G1)≤均值- 1s。D为中度性成熟(G2),与平均值相等或差异不显著;G3为晚期性成熟(G3)≥平均值+ 1s。结果表明:男性性成熟年龄(首次反应采精方式为(AFR))分别为91±0.0、104.7±0.55和120.17±1.2d;分别为G1、G2、G3,三组间差异极显著。G1、G2、G3女性性成熟年龄分别为144±162.05 d、162.05±0.4 d、196±6.3 d。,三组间差异极显著。各组性成熟期精液质量性状差异无统计学意义。早期组生育能力高于其他组。早期组的孵化率高于其他组。雄性比雌性性成熟早,但雌性组间差异大于雄性组。
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引用次数: 1
The Effect of Spraying with Two Different Sources of Calcium in Vegetative Growth Characteristics and Yield of Potato 两种不同钙源喷施对马铃薯营养生长特性及产量的影响
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007020105
N. J. K. Al-Aamry, M. Hussein, A. Mahmood
A field experiment was conducted in Research Station A College of AgricultureUniversity of Baghdad, during the fall season of 2015, which attempts to study the effect of spraying calcium of two different sources, mineral and organic:aliquid mineral fertilizer (Fosfital calcium) atthree levels (2.5, 5, 7.5ml.L -1 ) and the a liquid organic fertilizer (Polixal) withthree levels (2.5, 5, 7.5 ml.L -1 ) beside control treatment in the vegetative growth and production indicators of Burren potato variety using Randomized Complete Block Design with three replications. The experiment results demonstrated that spraying with the calcium organic source enhancedvegetative growth indicators as represented in the number of leaves and the dry weight of the vegetative growth, wherenon-significant in number of air stems indicator.However,calcium from organic source also gave a significant effect inthe tubers production and the crop indicators as represented by the dry matter percentage, tubers content of N, Ca, protein, starch, activity of a-amylase and peroxidase enzymes, marketable plant yield, number of marketable tubers, and the total marketable yield . It was also found that spraying with mineral calcium source gave the highest content of P and K in yielding tubers in compare to control treatment which gave the lowest values of these indicators.These results showed the significance of foliar application with calcium from organic source and it ′ s positive effectin improving the crop quality, nutritional content andreducing negative effects in the environment which result from using the mineral sources.
2015年秋季,在巴格达大学农业学院A研究站进行了田间试验,试图研究在2.5、5、7.5ml三个水平下喷施矿物和有机两种不同来源的液体矿物肥料(Fosfital calcium)的效果。采用3个重复的随机完全区组设计,研究了在对照处理的基础上,施用2.5、5、7.5 ml.L -1 3个水平的液体有机肥(Polixal)对马铃薯品种营养生长和生产指标的影响。试验结果表明,施用钙有机源提高了营养生长指标,主要表现为叶片数和营养生长干重,而对空气茎数的影响不显著。然而,有机来源的钙对块茎产量和以干物质百分比、块茎中N、Ca、蛋白质、淀粉含量、a-淀粉酶和过氧化物酶活性、可销售植株产量、可销售块茎数量和总可销售产量为代表的作物指标也有显著影响。结果表明,施用矿质钙源的块茎磷、钾含量最高,而施用矿质钙源的块茎磷、钾含量最低。这些结果表明,叶面施用有机源钙具有重要意义,对提高作物品质、营养成分和减少矿物源对环境的负面影响具有积极作用。
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引用次数: 0
The Effect of an Assembling and Modify Combine Equipment on Some Machinery Unit Indicators and Sunflower Yield 一种装配改造联合收割机对部分机组指标及向日葵产量的影响
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007026470
A. Jasim, Shrook K. Mahde
A field experiment was conducted to evaluate the effectofan assembling and modify combine equipment which used for mechanical and chemical cultivation and spraying fertilizer, on some machinery indicators, some soil properties and Sun flower yield in the College of Agriculture / University of Baghdad field during the spring summer growing season of 2016. Three levels of machinery speed included: 6.8, 4.51and 2.85 Km.hrˉ1 and cultivation treatments included: mechanical chemical cultivation and spraying fertilizers, mechanical and chemical cultivation, mechanical and spraying fertilizers and control treatment were studied in this experiment. Field efficiency, soil moisture content, Plant height, plant yield,weed control percentagewere measured in this experiment. Nested designs under randomized complete block design (RCBD) with, three replications were used in this study. Least significant difference at 0.05 probabilities was used to compare the mean of the treatments. The results showed that increasing machinery speed from 2.85 to 4.51 to 6.8 Km.hrˉ1 led to a significant increase insoil moisture content stood 17.31 to 18.38 to 18.82 %, plant height stood 131.26 to 133.03 to 136.88 cm, plant yields stood 7.34 to 8.05 to 8.52 ton.haˉ1,weed control percentage stood 83.68 to 89.81 to 91.53 %. Decreasing machinery speed from 6.8 to 4.51 to 2.85 Km.hrˉ1 led to a significant increase in field efficiency stood 61.71 to 62.62 to 64.75 %. Mechanical, chemical cultivation and spraying fertilizer treatment was significantly superior on other treatments in soil moisture content, plant height and plant yield. Mechanical and chemical cultivation treatment was significant superior in increasing weed control percentage. There was no significant effect in field efficiency by cultivation treatments. There were significant differences on the studied properties attributed by the interaction treatments. 6.8 Km.hrˉ1 and mechanical, chemical cultivation and spraying fertilizer cultivation interaction caused significant increase in soil moisture content stood 18.91 %, plant height stood 137.88 cm and plant yield stood 8.99 ton. haˉ1. 6.8 Km.hrˉ1 and mechanical and chemical cultivation treatment caused significant increase in weed control percentage stood 92.33 %. There were no significant differences on field efficiency, due to interferences treatments. There were significant differences between cultivation treatments and the control treatment. Mechanical chemical cultivation and spraying fertilizer was significant superior in soil moisture content stood 18.25 % on control treatment which got17.76 %, mechanical and chemical cultivation and spraying fertilizer treatment got the best plant height stood 134.58 cm, while control treatment got 127.00 cm,mechanical and chemical cultivation andspraying fertilizer treatment got the best plant yieldsstood 8.54 ton.haˉ1 while control treatment got 6.68 ton.haˉ1, mechanical and chemical cultivation treatment got the best weed contro
通过2016年春夏生长期在巴格达农学院/大学大田进行的田间试验,评价了机化栽培联合收割机组合改造与施肥对部分机械指标、土壤特性和太阳花产量的影响。三个级别的机器速度包括:6.8,4.51和2.85公里。本试验研究了机械化学栽培与施肥、机械化学栽培与施肥、机械化学施肥与对照处理。测定了田间效率、土壤含水量、株高、单株产量、防杂草率等指标。本研究采用随机完全区组设计(RCBD)的巢式设计,共3个重复。采用0.05概率下的最小显著性差异来比较处理的平均值。结果表明:机械转速由2.85提高到4.51,再提高到6.8 Km;Hr - 1处理显著提高了土壤含水量17.31% ~ 18.38% ~ 18.82%,株高131.26 ~ 133.03 ~ 136.88 cm,单株产量7.34 ~ 8.05 ~ 8.52 t。Ha - 1的除草率分别为83.68 ~ 89.81 ~ 91.53%。将机器速度从6.8降至4.51至2.85公里。Hr - 1能显著提高田间效率,达到61.71 ~ 62.62 ~ 64.75%。机械、化学栽培和喷肥处理在土壤含水量、株高和植株产量方面均显著优于其他处理。机械和化学栽培处理在提高杂草防治率方面显著优于其他处理。栽培处理对田间效率无显著影响。互作处理对所研究的性状有显著影响。6.8公里。hr1与机械、化学和喷肥栽培互作显著提高土壤含水量18.91%,株高137.88 cm,单株产量8.99 t。haˉ1。6.8公里。hr1 +机械化学栽培处理显著提高了杂草防治率,达到92.33%。干扰处理对田间效率无显著影响。栽培处理与对照处理间差异显著。机械化学栽培和喷肥处理的土壤含水量显著优于对照处理,达到18.25%(17.76%);机械化学栽培和喷肥处理的株高最高,达到134.58 cm,而对照处理达到127.00 cm;机械化学栽培和喷肥处理的植株产量最高,达到8.54吨。而对照处理则达到6.68吨。Ha - 1,机械和化学栽培处理防杂草率最高,为89.44%,对照处理为6.66%。在国内组装、制造和改造的联合收割机成功地用于机械化学栽培和高效施肥。
{"title":"The Effect of an Assembling and Modify Combine Equipment on Some Machinery Unit Indicators and Sunflower Yield","authors":"A. Jasim, Shrook K. Mahde","doi":"10.9790/2380-1007026470","DOIUrl":"https://doi.org/10.9790/2380-1007026470","url":null,"abstract":"A field experiment was conducted to evaluate the effectofan assembling and modify combine equipment which used for mechanical and chemical cultivation and spraying fertilizer, on some machinery indicators, some soil properties and Sun flower yield in the College of Agriculture / University of Baghdad field during the spring summer growing season of 2016. Three levels of machinery speed included: 6.8, 4.51and 2.85 Km.hrˉ1 and cultivation treatments included: mechanical chemical cultivation and spraying fertilizers, mechanical and chemical cultivation, mechanical and spraying fertilizers and control treatment were studied in this experiment. Field efficiency, soil moisture content, Plant height, plant yield,weed control percentagewere measured in this experiment. Nested designs under randomized complete block design (RCBD) with, three replications were used in this study. Least significant difference at 0.05 probabilities was used to compare the mean of the treatments. The results showed that increasing machinery speed from 2.85 to 4.51 to 6.8 Km.hrˉ1 led to a significant increase insoil moisture content stood 17.31 to 18.38 to 18.82 %, plant height stood 131.26 to 133.03 to 136.88 cm, plant yields stood 7.34 to 8.05 to 8.52 ton.haˉ1,weed control percentage stood 83.68 to 89.81 to 91.53 %. Decreasing machinery speed from 6.8 to 4.51 to 2.85 Km.hrˉ1 led to a significant increase in field efficiency stood 61.71 to 62.62 to 64.75 %. Mechanical, chemical cultivation and spraying fertilizer treatment was significantly superior on other treatments in soil moisture content, plant height and plant yield. Mechanical and chemical cultivation treatment was significant superior in increasing weed control percentage. There was no significant effect in field efficiency by cultivation treatments. There were significant differences on the studied properties attributed by the interaction treatments. 6.8 Km.hrˉ1 and mechanical, chemical cultivation and spraying fertilizer cultivation interaction caused significant increase in soil moisture content stood 18.91 %, plant height stood 137.88 cm and plant yield stood 8.99 ton. haˉ1. 6.8 Km.hrˉ1 and mechanical and chemical cultivation treatment caused significant increase in weed control percentage stood 92.33 %. There were no significant differences on field efficiency, due to interferences treatments. There were significant differences between cultivation treatments and the control treatment. Mechanical chemical cultivation and spraying fertilizer was significant superior in soil moisture content stood 18.25 % on control treatment which got17.76 %, mechanical and chemical cultivation and spraying fertilizer treatment got the best plant height stood 134.58 cm, while control treatment got 127.00 cm,mechanical and chemical cultivation andspraying fertilizer treatment got the best plant yieldsstood 8.54 ton.haˉ1 while control treatment got 6.68 ton.haˉ1, mechanical and chemical cultivation treatment got the best weed contro","PeriodicalId":14496,"journal":{"name":"IOSR Journal of Agriculture and Veterinary Science","volume":"1 1","pages":"64-70"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91238395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence Of Highly Efficient Pectinolytic Microbial Consortium From A Different Agro Climatic Region On Jute Retting Vis-À- Vis That Of A Nitrogen - Fixing Pectinolytic Bacteria From The Same Region. 不同农业气候区高效果胶降解菌群对黄麻发酵Vis的影响-À-同一地区固氮果胶降解菌的Vis。
Pub Date : 2017-07-01 DOI: 10.9790/2380-1006021723
S. Majumdar, R. Bhattacharya, Sreyam Sengupta, R. Ghosh, S. Bhattacharya
The difference in the quality of jute fiber belonging to different agro climatic regions had been mainly attributed to plant growth and more importantly to the quality and quantity of retting water. Our study have shown that difference in the retting capability of microflora belonging to different agro climatic regions contribute significantly to the quality of jute. However, attempts to introduce highly effective microbial population from a region producing better jute fiber to a distant one producing inferior quality and having different agro-climatic conditions was not successful because of diminished growth. This was probably due to antagonism of the indigenous microbial population towards the extraneous inoculum, since under sterile laboratory condition the former showed superior retting capability in the same conditions of temperature and pH. The diminished retting due to diminished growth could be partially overcome by introducing nitrogen fixing bacteria; whereby coarseness of fibers could be reduced to the maximum by 16.6%. However, introduction of nitrogen fixing bacteria by itself, particularly when isolated from a nearby region was most successful and was found to reduce coarseness of jute fibers by 30%. This particular nitrogen fixing bacteria was found also to have pectinolytic activity and was identified as Agrobacterium tumefasciens . This report raises the possibility that possibly many bacteria accelerate the retting process by more than one function.
不同农业气候区黄麻纤维品质差异的主要原因是植物生长,更重要的是蒸腾水的质量和数量。我们的研究表明,不同农业气候区微生物群的消化能力差异对黄麻品质有重要影响。然而,由于生长减少,试图从黄麻纤维较好的地区向质量较差和农业气候条件不同的遥远地区引进高效微生物种群的努力没有成功。这可能是由于本地微生物群体对外来接种物的拮抗作用,因为在无菌实验室条件下,前者在相同的温度和ph条件下表现出更强的发酵能力。由于生长减少而导致的发酵减少可以通过引入固氮细菌来部分克服;纤维粗度最大可降低16.6%。然而,单独引入固氮细菌,特别是从附近地区分离出来的固氮细菌是最成功的,并被发现将黄麻纤维的粗糙度降低了30%。这种特殊的固氮细菌也被发现具有果胶溶解活性,并被鉴定为农杆菌。该报告提出了一种可能性,即许多细菌可能通过不止一种功能来加速发酵过程。
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引用次数: 0
Maize Value Chain for Food Security and Poverty Reduction in Bungoma County, Kenya 《促进粮食安全和减贫的玉米价值链》,肯尼亚本戈马县
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007013039
C. N. Kamau, H. Nyongesa
Worldwide, 75% of the people lack adequate food while 47% in Kenya and 70% in Bungoma County are food insecure. Kenya has applied agricultural extension approaches to enhance food security and poverty reduction but to little avail due to their concentration on increasing agricultural production. This calls for an alternative approach that emphasizes agricultural innovation systems that enhance land productivity and increased incomes. The objective of this research was to establish the importance of value chain approach to food security and poverty reduction in Bungoma County. The research design was triangulated and crosssectional survey. Purposive, stratified and simple random sampling strategies were used to give a sample size of 347 out of 65,707 maize value chain smallholders. Data collection instruments included; questionnaires focus group discussions and key informants. Descriptive and inferential statistical analysis was used to analyse data. The research revealed that the degree of development of the maize value chain in Bungoma County is as low as 31% indicating that there is limited capacity for identifying challenges and their solutions as well as identifying investment opportunities vertically and horizontally along the chain. Based on the study findings, it is recommend that the maize value chain players should be mobilized and sensitized on the needs of maize value chain development
在世界范围内,75%的人缺乏足够的食物,而肯尼亚47%和本戈马县70%的人处于粮食不安全状态。肯尼亚采用了农业推广方法来加强粮食安全和减少贫困,但收效甚微,因为这些方法集中在增加农业生产上。这就需要另一种方法,强调提高土地生产力和增加收入的农业创新体系。本研究的目的是确定价值链方法对邦戈马县粮食安全和减贫的重要性。研究设计为三角测量和横断面调查。采用有目的、分层和简单随机抽样策略,在65707个玉米价值链小农中抽取了347个样本。包括数据收集工具;问卷调查,焦点小组讨论和关键线人。采用描述性和推理性统计分析对数据进行分析。研究表明,本戈马县玉米价值链的发展程度低至31%,这表明该地区识别挑战及其解决方案的能力有限,也表明该地区在纵向和横向上识别价值链上的投资机会的能力有限。根据研究结果,建议应动员玉米价值链参与者,提高他们对玉米价值链发展需求的认识
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引用次数: 2
Revealed Comparative Advantage and competitiveness: The caseof Palm oil Exportsfrom Nigeria, Ghana and Côte d’Ivoire 显性比较优势与竞争力:以尼日利亚、加纳和Côte科特迪瓦棕榈油出口为例
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007023640
E. A. Etuk, S. B. Ohen
This study analysed the export competitiveness of Palm oil in Nigeria, Ghana and Côte d’Ivoire. The specific objectives were to; determine the mean export quantity, and production quantity of palm oil in the selected countries; compute the Revealed Comparative Advantage (RCA) and the Revealed Symmetric Comparative Advantage (RSCA) indices for Nigeria, Ghana and Côte d’Ivoire with respect to palm oil exports. Data for the study was obtained from Food and Agricultural Organization (FAO) statistical database and analyzed using descriptive statistics and the Balassa index. The result of the study showed that the mean production and export quantity of palm oil for Nigeria, Ghana and Côte d’Ivoire were 964,161.3tonnes, 109,062.3tonnes, and 290,619.6 tonnes for palm oil production while palm oil export quantity was 7491.292 tonnes, 35,061.79 tonnes, and 135,838.3tonnes respectively. The empirical findings suggests that Côte d’Ivoire is highly competitive in the export of palm oil followed by Ghana and lastly Nigeria which is less competitive compared to the aforementioned countries. Policies and programmes to enhance Nigeria’s palm oil output and make it more competitive is recommended.
本研究分析了棕榈油在尼日利亚、加纳和Côte科特迪瓦的出口竞争力。具体目标是:确定所选国家棕榈油的平均出口量和产量;计算尼日利亚、加纳和Côte科特迪瓦在棕榈油出口方面的显示比较优势(RCA)和显示对称比较优势(RSCA)指数。该研究的数据来自联合国粮农组织(FAO)的统计数据库,并使用描述性统计和Balassa指数进行分析。研究结果表明,尼日利亚、加纳和Côte科特迪瓦棕榈油的平均产量和出口量分别为964,161.3吨、109,062.3吨和290,619.6吨,棕榈油出口量分别为7491.292吨、35,061.79吨和135,838.3吨。实证结果表明,Côte科特迪瓦在棕榈油出口方面具有很强的竞争力,其次是加纳,最后是尼日利亚,与上述国家相比,尼日利亚的竞争力较弱。建议制定政策和规划,提高尼日利亚棕榈油产量并使其更具竞争力。
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引用次数: 3
Land Degradation and Climate Change Resilient Soil and Crop Management Strategies for Maize Production in Coastal Western Africa 西部非洲沿海玉米生产的土地退化和气候变化弹性土壤和作物管理策略
Pub Date : 2017-07-01 DOI: 10.9790/2380-1006022430
J. Sogbedji, K. S. Detchinli, Mihikouwè Mazinagou, Ruth Atchoglo, Komi Agbémébia Bona
A 2-yr (four cropping seasons) trial was conducted with nine maize (Zea mays L.) varieties and four fertilization treatments in three replicates to determine the appropriate variety-fertilization combinations. Fertilization treatments were: no fertilization (T1), 6 t ha -1 of farmyard manure (FYM) (T2), the national recommendation of 200 kg N15P15K15 plus 100 kg urea (46% N) ha -1 (T3) and 3 t of FYM plus 100 kg N15P15K15 plus 50 kg urea ha -1 (T4). Across fertilization treatments, 2-yr average grain yields were highest (6.41 to 6.76 t ha -1 ) for Bassar, TZEE and Obatampa varieties and lowest (4.63 and 5.07 t ha -1 ) for Wahala3 and Agoèbli in the first cropping season. TZEE, Dapaong, Obatampa and Bassar performed better (4.0 to 4.39 t ha -1 ) during the second season. Across varieties, grain yields for T4, T3 and T2 increased by 92 to 58, 69 to 42 and 57 to 34% in comparison with T1, respectively, those under T4 and T3 were 22.6 to 18 and 8 to 6% higher than that for T2, respectively, and the yield for T4 was 11 to 13.5% superior over that for T3. Fertilization treatment T4 proved suitable for improved grain yield and five varieties were no more recommended for the second cropping season.
为确定适宜的品种-施肥组合,采用9个玉米品种和4个施肥处理,分3个重复进行了2年(4个种植季)试验。施肥处理为:不施肥(T1)、农家肥(FYM) 6 t ha -1 (T2)、国家推荐的200 kg N15P15K15 + 100 kg尿素(46%氮肥)ha -1 (T3)和3 t FYM + 100 kg N15P15K15 + 50 kg尿素(T4)。在不同施肥处理中,basar、TZEE和Obatampa品种的2年平均产量最高(6.41 ~ 6.76 t ha -1), Wahala3和ago bli品种的2年平均产量最低(4.63和5.07 t ha -1)。第二赛季,TZEE、Dapaong、Obatampa和Bassar表现较好(4.0 ~ 4.39 / 1)。各品种间,T4、T3和T2处理的产量分别比T1提高92 ~ 58%、69 ~ 42%和57 ~ 34%,T4和T3处理的产量分别比T2高22.6 ~ 18%和8 ~ 6%,T4处理的产量比T3处理高11 ~ 13.5%。结果表明,T4施肥处理对增产效果较好,5个品种不推荐用于第二季。
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引用次数: 1
Some Haemato-Biochemical Values in White New Zealand Rabbits 新西兰白兔血液生化指标研究
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007014044
S. Shousha, M. Mahmoud, K. Hameed
Haematological and biochemical parameters are important and reliable media used to monitor, evaluate health and nutritional status of animals. This studywas conducted toestablish the normal rangesof haematologicaland somebiochemical parameters inboth male and female rabbits and to determine thegender effect on these values. Blood and urine samples from a total of 44 New Zealand white rabbits were investigated. The haematological parameters were determined in whole blood samples, while biochemical parameters were determined in serum and urine samples. Normal values of these parameters were determined and statistical comparisons between male and female rabbits were performed.Current study results revealed that haematologicalandbiochemicaldata were identicalin both male and female animals and statistically no significant differences were found for the parameters analysed except, RBCs count,haemoglobin concentration (Hb),haematocrit value (Hct), white blood cell (WBC) count, neutrophils %, lymphocytes %, monocytes%, basophils% and platelets count. It was concluded that defining the normal values of the given haematological and biochemical parameters in New Zealand white rabbits would be valuable for both researchers and clinicians as they may beconsidered as useful baseline values for domestic rabbit populations.
血液学和生化参数是监测、评价动物健康和营养状况的重要和可靠的媒介。本研究旨在建立雄性和雌性家兔血液学和一些生化参数的正常范围,并确定性别对这些值的影响。研究人员对44只新西兰白兔的血液和尿液样本进行了调查。血液学参数测定全血样本,生化参数测定血清和尿液样本。测定这些参数的正常值,并在公、母兔之间进行统计学比较。目前的研究结果显示,雄性和雌性动物的血液学和生化数据是相同的,除了红细胞计数、血红蛋白浓度(Hb)、红细胞压度(Hct)、白细胞计数、中性粒细胞%、淋巴细胞%、单核细胞%、嗜碱性粒细胞%和血小板计数外,其他参数分析在统计学上没有显著差异。结论是,确定新西兰白兔血液学和生化参数的正常值对研究人员和临床医生都有价值,因为它们可能被认为是家兔种群的有用基线值。
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引用次数: 4
Spatial and temporal trends of precipitation and temperature for the MPUAT service area, Rajasthan, India 印度拉贾斯坦邦MPUAT服务区降水和温度的时空变化趋势
Pub Date : 2017-07-01 DOI: 10.9790/2380-1007011520
Shreepada Devi, R. Purohit, S. Bhakar, S. Lakhawat
The present study focuses on the long term trends of meteorological parameters like precipitation and temperature of the MPUAT service area, Rajasthan, India which is mainly located in humid and sub-humid region. Trend analysis of the seasonal (pre-monsoon, monsoon, post-monsoon and winter) and annual daily rainfall and temperature at the spatial and temporal scales was carried out for 7 stations of the MPUAT, service area. Statistical trend analysis technique, namely the Mann–Kendall test, was used to examine trends (1984– 2014) at the 5% level of significance. Both positive and negative trends were observed in both seasonal and annual events of rainfall and temperature.The spatial variations of the trends in seasonal (pre-monsoon, monsoon, post-monsoon and winter) and annual daily rainfall and temperature were also determined using the inverse-distance-weighted (IDW) interpolation technique. IDW results are helpful to identify trends and variability in seasonal and annual rainfall and temperature in space and time for the study locations where the data is not available and the quality of data is not good. These spatial maps of temperature and rainfall can aid in designing the effective water resources planning over the MPUAT service area under climate change.
本文研究了主要位于湿润和半湿润地区的印度拉贾斯坦邦MPUAT服务区降水和温度等气象参数的长期变化趋势。对MPUAT服务区7个站点的季节(季风前、季风后、季风后和冬季)和年日降雨量和气温进行了时空尺度的趋势分析。统计趋势分析技术,即Mann-Kendall检验,用于在5%显著性水平下检查趋势(1984 - 2014)。降水和温度的季节和年变化趋势均为正趋势和负趋势。利用反距离加权(IDW)插值技术,确定了季风前、季风后、季风后和冬季季节和年日降雨量和气温的空间变化趋势。IDW结果有助于在没有数据和数据质量不好的研究地点确定季节和年降雨量和温度在空间和时间上的趋势和变率。气候变化条件下的温度和降雨空间图可以为MPUAT服务区有效的水资源规划设计提供依据。
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引用次数: 3
期刊
IOSR Journal of Agriculture and Veterinary Science
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