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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
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Journal of Scientific Research and Reports
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2320-0227
Published by SCIENCEDOMAIN international Homepage  [65 journals]
  • TVET Institutions and Industry Collaborative Practices on Electronics
           Laboratory Training for Skill Acquisition among Technician Trainees in

    • Authors: Okemwa K; Stella, Ferej Ahmed, Wanami Simon
      Pages: 1 - 6
      Abstract: Aims: To establish if there exist any Technical and Vocational Education and Training (TVET)-industry collaborative practices to aid electronics laboratory training in TVET institutions in Nairobi County, Kenya. Study Design: Qualitative research design. Place and Duration of Study: Electrical and Electronics Departments of public Technical and Vocational Education and Training institutions in Nairobi County Kenya, between September 2019 and March 2020. Methodology: Qualitative phenomenological research design was employed. The target population comprised of eight (8) Head of Departments (HODs) and eight (8) electronics experts drawn from electrical and electronics departments in the 8 public TVET institutions in Nairobi County. All HODs were selected for an interview while purposive sampling was used to select experts for a focus group discussion. An interview schedule and a focus group discussion guide were developed and administered face to face. Qualitative data obtained was analyzed using thematic analysis. Results: Sample sizes for Focus Group Discussion (FGD)and HODs was 8 each. The response rate was 100% and 75% respectively. The findings of study revealed that TVET institutions were aware of the skills needed in the industry although the institutions did not have collaboration with the industry. The institutions had tried to incorporate industry skills in laboratory practice on their own without input from the industry. Conclusion: It was concluded that TVET institutions had little interest in seeking out collaborations with the industry. It was therefore recommended that TVET institutions should develop collaborations with specific industries for purposes of supporting laboratory instruction.
      PubDate: 2022-07-14
      DOI: 10.9734/jsrr/2022/v28i930542
  • Studies on the Performance of Custard Apple (Annona squamosal L.)
           Cultivars and Varieties Under Rainfed Vertisol Condition of Tamil Nadu

    • Authors: K. R. Rajadurai, J. Rajkumar, C. Rajababu
      Pages: 7 - 13
      Abstract: A study was conducted in block vertisol region of Southern part of Tamil Nadu with the view to find out suitable custard apple cultivars for the region. Twelve years old five cultivars viz., Mammoth, Raydurg, Arka Sahan, Balanagar, and APK (Ca)1 were undertaken for this study, which were planted at the spacing of 6 m x 6 m following randomized block design having three replications with ten trees in each replication. Results of three consecutive years of study clearly indicated that, the variety Arka Sahan showed increased tree height (6.28 m), number of primary branches (4.10), number of secondary branches (9.0), plant spread E-W (4.94 m) and plant spread N-S (4.77 m). The variety Mammoth recorded enhanced stem girth (85.67cm). Among the five custard apple varieties evaluated, Arka Sahan recorded the enhanced individual fruit weight(214.12g), less number of seeds / fruit (8.88), pulp weight (60.76g) and TSS (30.32 oBrix). The variety Raydurg showed less rind weight of 41.89 g / fruit. The variety Balanagar recorded the increased number of fruits/tree (250.36), yield / tree (22.79kg) and yield (6.15 tonnes/ha) followed by APK 1 showed number of fruits / tree (204.45), yield /tree (21.20 kg) and yield (5.72 tonnes/ha). TSS ranged from 21.67 to 30.32 oBrix. Considering overall performance, the cultivars Balanagar and APK (Ca) 1 are recommended for commercial cultivation in black vertisol region of Southern part of Tamil Nadu or in similar agro-climatic condition. The cultivar Arka Sahan showed enhanced growth and vegetative characters but special care (Artificial hand pollination) should be taken for fruit setting and retention.
      PubDate: 2022-07-16
      DOI: 10.9734/jsrr/2022/v28i930543
  • Methodological Strategy for the Conservation of Ecosystem Services

    • Authors: Silvia Milena Corrales Marín, Inés Restrepo Tarquino, Diego Fernando Corrales Marín
      Pages: 14 - 27
      Abstract: Ecosystem Services (ES) are the benefits that human beings receive from nature and that contribute to improving the quality of life. However, at present, precisely the human activities through which ES are used are generating negative impacts on ecosystems that hinder their provision. It is a vicious circle that needs to be corrected. To do so, this article, the result of postdoctoral research, proposes an ES sustainability strategy that includes a methodology to assess its status and generates actions to follow in order to contribute to the recovery and conservation of natural resources. The methodology implies identifying the ES of the place of interest, measuring a series of indicators constructed to be applied at home or in the community by the inhabitants of the territory, making an evaluation of them and, according to the results, actions to be followed are generated. In addition, an application is presented to Tocotá, a village in the municipality of Dagua in Valle del Cauca (Colombia) that is characterized by the visit of tourists attracted by the biodiversity of the place, but whose natural resources are being compromised by the activity that it has become the main economic resource of the community.The application of the methodological strategy indicates that the state of the ecosystem services in Tocotá is acceptable, although it is not in bad conditions, actions are suggested for its improvement. This methodological strategy allows identifying the state of ecosystem services in Tocotá, but it is replicable to hydrographic basins with similar conditions.
      PubDate: 2022-07-18
      DOI: 10.9734/jsrr/2022/v28i930544
  • Phytotoxic Effect of Treated Wastewater on Seed Germination and Percent
           Root Elongation Inhibition in Some Vegetable Crops

    • Authors: Mohamed Naceur Khelil, Rim Ghrib Dimessi, Malika Mahmoudi, Mohamed Hachicha
      Pages: 28 - 36
      Abstract: Aims: Summer irrigations for citrus fruits and fodder are considered as pre-irrigations for growing annual crops in Tunisia. However, given the quality of this treated wastewater, pre-irrigation effect on the seed germination capacity remains unclear. We propose to study the effect of different concentrations of treated wastewater on the germination of some vegetables. Methodology: This laboratory experiment investigates the effect of different concentration from 0 to 100% (0%, 20%,40%, 60%, 80% and 100%) of treated wastewater on seed germination (%), germination index (Ig), root elongation and root elongation inhibition index (REI%) for some vegetable crops, the most commonly used by farmers: Radish, Okra and Pea. Results: Pea germination rate (%G) dropped significantly from 60% to 30% with WW concentration. The germination index (Ig) decreased for Radish and Pea seeds with increasing WW concentration; it decreases from 1.03 to 0.72 and from 0.8 to 0.33 for radish and pea, respectively. While, the sprouting index for okra increased from 1.24 to 2.2 with increasing WW concentration. According to the REI% values, there is no effect of WW concentration on the root elongation of okra. On the other hand, the most pronounced REI% was noticed for Pea which has shown positive REI% values for all the concentrations with an inhibition effect of about 67% for the 100% WW treatment. For the radish, the root elongation inhibition started from the 40% WW concentration. Conclusion: The crops tested have been arranged in the following order: Okra>Radish>Pea depending on the tolerance to treated wastewater. We conclude that the effect of treated wastewater on seed germination is depending on crops species and we should take care before using the treated wastewater for pre-sowing irrigation purposes.
      PubDate: 2022-07-19
      DOI: 10.9734/jsrr/2022/v28i930546
  • Design and Construction of a Small Scale Combined Weighing and
           Non-Weighing Lysimeter

    • Authors: Beabu Bernard Dumkhana, Godstime Ogechi Emmanuel, Unyeawaji Brownson Ntesat, Josiah Miebaka Ayotamuno
      Pages: 37 - 48
      Abstract: A field experiment was conducted to study the consumptive use of water leaf (Talinum triangulare) on a constructed small scale combined weighing and non-weighing Lysimeter. This study considered the design and construction of a small scale lysimeter that combined the characteristics of a weighing and non-weighing. The main components of the lysimeter facility are mild steel, load cell, Arduino nano, micro secure digital (Micro SD) card, liquid crystal display (LCD) screen, real time clock (RTC) with model DS1307, moisture sensor, inner cylinder and outer cylinder. The installation depth of 0.4572 m with a known rectangular floor was constructed to house the outer cylinder height of 167.8 mm with a diameter 309.4 mm, inner cylinder height of 355.6 mm with a diameter 304.8 mm and a hole of 2 mm perforated at the bottom of the inner cylinder for easy drainage. The results on the data logged shows how much water is required for plant root extraction at various irrigation rates. The combined weighing and non-weighing lysimeter serve the purposes of determining the soil-water balance and water consumptive use of crops.
      PubDate: 2022-07-23
      DOI: 10.9734/jsrr/2022/v28i930548
  • Household Baseline Survey on Indigenous Chicken Production Characteristics
           and Constraints in Busia and Machakos Counties of Kenya

    • Authors: C. I. Muleke, I. Ogali, P. Amanya, E. O. Mungube, O. B. Bebe
      Pages: 49 - 67
      Abstract: Aims: To collect preliminary baseline data prior to validation of three climate-smart technologies. Study Design: A structured questionnaire was employed with participation of actors along the Indigenous Chicken value chain. Place and Duration of Study: Study was conducted from May 2019 to June 2020 within four (4) Sub-Counties in Busia and Machakos where high Indigenous Chicken populations are found. Methodology: A total of 160 households were surveyed. Targeted household information was recorded viz: distribution of respondents by village in the Counties; farmer socio-economic factors; flock structure and characteristics; disease and parasite constraints, management practices; disease reporting and communication amongst recruited farmers. Results: Results revealed that 56.5% of the respondents were male and 43.5% were female wit mean age of 50 years. Most farmers had formal education (97%) and practiced semi extensive poultry farming system (59%). Both indigenous and exotic chicken (62%) were kept for income purposes (82.6%) and only young chicks received feed supplements (55.8%). Newcastle (18.5%) and coccidiosis (16.4%) comprised the two major disease constraints reported. Prevalent bird disease symptoms were diarrhea (24.9%) and coughing (23.1%) while mites (27.9%) and fleas (22.3%) dominated the ecto-parasites. Disease control strategies comprised: vaccines (72.8%), dewormers (44.9%) and ethno-veterinary medicine. Aloe secundiflora and Aloe feroxin, were singled out as locally available and effective means of treating diarrhea (62.9%), respiratory infections (61.9%) and worm control (64.5%). Most Indigenous Chicken farmers (76.8%) failed to report illnesses among their flock and did not access to health services (72.1%). Farmers accessed health information through radio (26.5%) as opposed to mobile phones (1.65%). Conclusion: Findings of this survey reveal a low-grade free-range poultry system characterized by poor disease control. This scenario calls for targeted efforts by both government and private stakeholders to improve Indigenous Chicken management and help farmers adopt alternative climatic smart disease control interventions.
      PubDate: 2022-07-28
      DOI: 10.9734/jsrr/2022/v28i930549
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