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Determination of Microbiological Quality of White Cheeses Marketed in Afyonkarahisar 阿菲永卡拉希沙市售白奶酪微生物质量的测定
Pub Date : 2020-03-16 DOI: 10.18488/journal.70.2020.72.93.97
R. Kara, Ulaş Acaröz, Zeki Gürler, Zeyneb Sadigzade Zengin, A. Soylu
Article History Received: 11 December 2019 Revised: 13 January 2020 Accepted: 19 February 2020 Published: 16 March 2020
收稿日期:2019年12月11日修稿日期:2020年1月13日接收日期:2020年2月19日发布日期:2020年3月16日
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引用次数: 0
Characterization and Classification of Cropland-Soils Affected by Erosion in Igbudu Ikwo, Southeastern Nigeria 尼日利亚东南部Igbudu Ikwo地区受侵蚀影响的农田土壤特征与分类
Pub Date : 2020-03-02 DOI: 10.18488/journal.70.2020.72.73.83
Obasi S. N, O. C C, Nweke V, O. H
This research was carried out in Igbudu Ikwo, Ebonyi State in Southeastern Nigeria to investigate and classify some cropland-soils affected by erosion. Three profile pits were dug and samples were collected in their horizons. The soils physico-chemical properties analyzed indicated that all investigated soils were sandy loam (SL), bulk density was high ranging from 1.51, 1.59 and 1.42 gcm -3 in pedons 1, 2 and 3 due to the preponderance of high sandiness, although within the acceptable levels (<1.85). Available P was medium (5 – 15 mgkg -1 ) in pedon 2 and high (>15 mgkg -1 ) in pedons 1 and 3. Organic matter was medium (2.0 - 4.2%) at pedons 1 and 3 and low < 2% in pedon 2 when critical limits was considered. This low organic matter content is a challenge as the soils of Igbudu Ikwo is already prone to erosion and would need high organic matter content to bind the soils particles together against disintegration by erosion processes. Sodium was very low (< 0.1 gkg -1 ) while K was low (<0.1 – 0.3 gkg -1 Therefore, the inputs of K fertilizer would be necessary to enhance the productivity of the soils. Calcium and Mg were very low when critical limits were considered (<2 gkg - 1 ) and (<0.5 gkg -1 ) for Ca and Mg respectively. Adequate soil conservation practices and improvement of soil nutrients should be adopted for the optimum of the soils of Igbudu The pedons were classified as Arenic Kandiudults in soil taxonomy and Arenic Lixisols when correlated with for soil
这项研究是在尼日利亚东南部埃邦伊州的伊布杜伊科沃进行的,目的是调查和分类一些受侵蚀影响的农田土壤。挖掘了3个剖面坑,并在其地层中采集了样品。土壤理化性质分析表明,土壤均为砂质壤土(SL), 1、2和3区土壤容重较高,容重范围为1.51、1.59和1.42 gcm -3,以高砂性为主,但1和3区土壤容重在可接受范围内(15 mgkg -1)。考虑临界限度时,1、3层有机质含量为中等(2.0 ~ 4.2%),2层有机质含量< 2%。这种低有机质含量是一个挑战,因为Igbudu Ikwo的土壤已经容易受到侵蚀,并且需要高有机质含量来将土壤颗粒结合在一起,防止侵蚀过程崩解。钠极低(<0.1 gkg -1),钾极低(<0.1 - 0.3 gkg -1),因此,钾肥的投入是提高土壤生产力的必要条件。考虑到钙和镁的临界限值(<2 gkg -1)和(<0.5 gkg -1)时,钙和镁的含量非常低。宜采取适当的土壤保持措施和土壤养分改良措施,使伊布都土壤达到最优状态。土壤分类上,土墩可归为砂属土墩,与土壤相关性上,土墩可归为砂属土墩
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引用次数: 0
Short-Term Benefits of Grain Legume Fallow Systems on Soil Fertility and Farmers Livelihood in the Humid Forest Zone of Cameroon 喀麦隆湿润林区粮食豆科作物休耕制度对土壤肥力和农民生计的短期效益
Pub Date : 2019-11-22 DOI: 10.18488/journal.70.2019.64.213.223
L. Nanganoa, J. Njukeng, C. Ngosong, Sone Kone Edigar Atache, G. Yinda, Jeremiah Ndande Ebonlo, Juliana Namein Ngong, F. Ngome
Article History Received: 12 August 2019 Revised: 16 September 2019 Accepted: 18 October 2019 Published: 22 November 2019
收稿日期:2019年8月12日修稿日期:2019年9月16日接收日期:2019年10月18日发布日期:2019年11月22日
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引用次数: 4
Socioeconomic Impact of Bagging Technology for Value Addition in Mango in the Chittagong Hill Tracts of Bangladesh 孟加拉吉大港山区芒果套袋增值技术的社会经济影响
Pub Date : 2019-11-12 DOI: 10.18488/journal.70.2019.64.203.212
M. J. Uddin, Md. Sami Ur Rashid
Article History Received: 5 August 2019 Revised: 9 September 2019 Accepted: 7 October 2019 Published: 12 November 2019
收稿日期:2019年8月5日修订日期:2019年9月9日接收日期:2019年10月7日发布日期:2019年11月12日
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引用次数: 0
Study on Temporal Alterations in Land Cover Types in Simien Mountain National Park, Northwest Ethiopia 埃塞俄比亚西北部塞缅山国家公园土地覆盖类型的时空变化研究
Pub Date : 2019-07-08 DOI: 10.18488/journal.70.2019.63.125.136
Getinet Masresha
This study was carried out in Simien Mountain National Park (SMNP) of Ethiopia to trace the temporal dynamics in land use types from the information generated through the analysis of land sat images. Results revealed that throughout the study period, variable extent of changes was observed in land use classes. In the first reference period (1972 - 1994), agricultural (9945.56 ha) and barren land (3066.6 ha) showed a remarkable increment whereas other land use types were decreased. In the second reference period (1994 - 2017), montane forest, grassland and shadow showed increasing trend with the dramatic change in grassland. In the first reference period (1972 - 1994), maximum negative rate of change was observed for Erica forest with deceleration rate of 83 ha/year which continued in the 2nd reference period (1994 - 2017) with the change decreasing rate of 16.6 ha/year. Maximum positive rate of change (74.6 ha/year) was observed for agricultural land followed by barren land (68.6 ha/year). In the second reference period maximum positive rate of change was observed for grassland with accelerated rate of change 260.5 ha/year whereas maximum deceleration rate (272.8 ha/year) was observed for agricultural land. At present, montane forest cover is increasing whereas agricultural land is decreasing dramatically contributing for the restoration of the ecosystem. However, intensified grazing was identified as a principal driver affecting ecological process in the Park; therefore, a long term strategy should be designed to meet the sustainable utilization of natural resources in the Park.
本研究在埃塞俄比亚塞米恩山国家公园(SMNP)开展,通过分析土地卫星图像生成的信息,追踪土地利用类型的时间动态。结果表明,在整个研究期间,土地利用类别的变化程度不一。在第一个参考期内(1972 - 1994年),农业用地(9945.56公顷)和荒地(3066.6公顷)显著增加,而其他土地利用类型则减少。在第二个参考期(1994 - 2017),山地森林、草地和阴影呈增加趋势,草地变化剧烈。在第一个参考期(1972 - 1994年),埃里卡森林的负变化率最大,减速度为83 ha/年,在第二个参考期(1994 - 2017年)继续减少,减速度为16.6 ha/年。耕地的正变化率最大(74.6 ha/年),其次是荒地(68.6 ha/年)。在第二个参考期内,草地的正变化率最大,加速变化率为260.5 ha/年,而农用地的减速变化率最大,为272.8 ha/年。目前,山地森林覆盖面积正在增加,而农用地面积正在急剧减少,这对生态系统的恢复起着重要作用。然而,强化放牧被确定为影响公园生态过程的主要驱动因素;因此,应制订一项长期战略,以满足公园内自然资源的可持续利用。
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引用次数: 0
Physiological Aspects of Yield Variation among Seven Groundnut Genotypes Cultivated Under Rain-Fed Conditions 旱作条件下栽培花生7个基因型产量变异的生理特征
Pub Date : 2019-05-30 DOI: 10.18488/JOURNAL.70.2019.63.117.124
Yasir E. Mohammed, Ahmed M. El Naim, T. Ahmed, A. Sulaiman, Omer A. Bakhit, K. Ibrahim
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引用次数: 0
Tabu-Genetic Algorithm-Based Model for Poultry Feed Formulation 基于禁忌遗传算法的家禽饲料配方模型
Pub Date : 2019-05-09 DOI: 10.18488/JOURNAL.70.2019.62.94.109
Oluwadare Samuel Adebayo, Gabriel Arome Junior, Ogunrinde Oluwakemi Grace
Article History Received: 25 January 2019 Revised: 4 March 2019 Accepted: 16 April 2019 Published: 9 May 2019
收稿日期:2019年1月25日修稿日期:2019年3月4日接收日期:2019年4月16日发布日期:2019年5月9日
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引用次数: 2
Agronomic Practices of Maize and Farm Nutrient Status in Bako Tibe District, West Shoa Zone, Ethiopia: Lesson from Agronomic Panel Survey 埃塞俄比亚西Shoa区Bako Tibe区的玉米农艺实践和农场营养状况:来自农艺小组调查的经验教训
Pub Date : 2019-04-19 DOI: 10.18488/JOURNAL.70.2019.62.61.78
T. Balemi, Tolcha Tufa
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引用次数: 1
Genotype-Environment Interactions and Yield Stability of Cowpea (Vigna Unguiculata L. Walp) in Lomami Province, Central Part of Democratic Republic of Congo 刚果民主共和国中部洛米省豇豆基因型-环境相互作用及产量稳定性
Pub Date : 2019-03-13 DOI: 10.18488/journal.70.2019.61.33.46
Remy Tshibingu Mukendi, Antoine Lubobo Kayenga, L. Baboy, D. Bugeme, A. Kalonji, T. Munyuli
The genotype environment interaction (GEI) has always been considered as an important issue by researchers involved in varietal selection and yield performance assessment. The objective of this study was to identify stable genotypes of cowpea in the Greater Kasai region. The current study was undertaken in 3 locations in the Ngandajika territory of Lomami Province (central part of Democratic Republic of Congo (DRC) with 12 improved cowpea genotypes obtained from the National Institute for Agricultural Research and Studies. The experiments were conducted following the randomized block design with 3 replicates and 12 treatments. Analysis of variance (ANOVA) and AMMI model were applied to identify main effects and GEI. The genotype yield stability across different locations was determined using the stability value of AMMI (ASV) rank of the AMMI model. ANOVA test indicated that there was performance inconsistencies in the yield of the 12 genotypes tried across the environments retained in this study. However, AMMI model revealed genotypes with stable yields across the different environment considered in the study. For the determination of the specificity of adaptability of genotypes to specific environments, the stability value of AMMI and diagram plot techniques were used for the discrimination of the genotypes versus the different environments considered. The genotypes Mujilanga (V2), CNGKASA7-2-M (V3) and CNGKASC2-1-1-T (V9) were identified as the most stable across different environments studied. Their yields were significantly higher (P
基因型-环境互作(GEI)一直是品种选择和产量绩效评价研究的重要内容。本研究的目的是鉴定大开赛地区豇豆的稳定基因型。目前的研究是在刚果民主共和国中部Lomami省Ngandajika地区的3个地点进行的,使用了从国家农业研究所获得的12种改良豇豆基因型。试验采用随机区组设计,设3个重复,12个处理。采用方差分析(ANOVA)和AMMI模型确定主效应和GEI。利用AMMI模型的AMMI (ASV)秩稳定值确定不同位点基因型产量的稳定性。方差分析表明,在本研究保留的环境中,12个基因型的产量存在性能不一致。然而,AMMI模型揭示了在研究中考虑的不同环境中具有稳定产量的基因型。为了确定基因型对特定环境适应性的特异性,利用AMMI稳定值和图解技术对不同环境下的基因型进行了区分。在不同环境中,Mujilanga (V2)、CNGKASA7-2-M (V3)和CNGKASC2-1-1-T (V9)基因型最稳定。它们的产量显著高于(P
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引用次数: 3
Roles of Extension Services in Adoption of Agroforestry Practices among Farmers in South West Nigeria 推广服务在尼日利亚西南部农民采用农林业做法方面的作用
Pub Date : 2019-02-04 DOI: 10.18488/JOURNAL.70.2019.61.1.7
Akinwalere B.O, Okunlola J.O
The study examined the roles of extension in the adoption of agroforestry practices in South west Nigeria, with a view to providing data on the practices of agroforestry in the area. It highlighted the extent of agroforestry, the ownership and management of agroforestry practices, the utilization and sustainability of the practices, as well as the challenges faced by farmers practicing agroforestry. Multi-stage sampling technique was used to select 200 agroforestry farmers. A large proportion (82%) of the respondents are married and the mean age was 52years. Majority (81.5%) of them had formal education while 92% are involved in farming as their primary occupation. 39.5% of the respondents are involved in the practice of shelter belt and wind breaks, 35% are involved in improved fallow, 24% in Taungya, 22% in fuel wood production, 16% in the practice of Alley cropping, 10% in Tree on range land, while 7% and 2.5% are into home garden and apiculture respectively. About half (54.5%) of respondents had no contact with extension services, access to extension service in the study area as rated by farmers is an indication of low extension agent to farmer ratio. The result of Pearson moment correlation coefficient showed that there was no significant relationship between extension contacts and sustainable adoption of agroforestry practices (r = 0.12, p = 0.07).
这项研究审查了推广在尼日利亚西南部采用农林业做法方面的作用,以期提供有关该地区农林业做法的数据。它强调了农林业的范围、农林业做法的所有权和管理、这些做法的利用和可持续性以及实行农林业的农民所面临的挑战。采用多阶段抽样技术对200名农林业农户进行抽样调查。很大一部分受访者(82%)已婚,平均年龄为52岁。其中大多数人(81.5%)受过正规教育,92%的人以农业为主要职业。39.5%的应答者参与防护林和防风林的实践,35%的应答者参与改良休耕,24%的应答者参与Taungya, 22%的应答者参与薪柴生产,16%的应答者参与Alley种植,10%的应答者参与Tree in range land, 7%和2.5%的应答者分别参与家庭花园和养蜂。大约一半(54.5%)的受访者没有接触过推广服务,根据农民的评价,研究地区获得推广服务的情况表明推广人员与农民的比例很低。Pearson矩相关系数结果显示,推广接触与农林业可持续采用之间无显著相关(r = 0.12, p = 0.07)。
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引用次数: 1
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International Journal of Sustainable Agricultural Research
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