Advances in Research
Not a member yet
1523 research outputs found
Sort by
Assessment of Stable Strains of Eri Silkworms (Samia ricini) for Commercial Silk Production under the Climate of Manipur
No full textAims: This study evaluates the performance of six Eri silkworm (Samia ricini) strains across multiple quantitative traits to identify the most suitable rearing period and stable strains for commercial silk production in Northeast India.
Study Design: A field experiment was conducted to assessed the productivity and stability of different Eri silkworm strains across four seasons.
Place and Duration of Study: The study was carried out in Imphal, Manipur, over four different rearing seasons.
Methodology: Six Eri silkworm strains were evaluated for eight quantitative traits, hatching percentage, fecundity, effective rate of rearing, larval weight, pupation rate, single shell weight, single cocoon weight and shell percentage. Data were collected across four seasons, and hierarchical clustering analysis was performed to classify the strains based on genetic and phenotypic similarities.
Results: The findings indicate that the April-May season provides optimal rearing conditions, resulting in higher survival rates, improved fecundity, and superior silk yield compared to other seasons. The Yellow Zebra strain performed consistently across multiple attributes and seasons, showing the highest stability among the strains that were studied. Hierarchical clustering analysis grouped the strains into three distinct clusters, reflecting their genetic and phenotypic relationships.
Conclusion: The identification of stable strains and optimal rearing periods is crucial for enhancing Eri silkworm productivity and sustainability. These findings provide a scientific basis for strain selection and breeding strategies, benefiting both farmers and researchers involved in Eri silk production
Effect of Inorganic Fertilizer, Vermicompost and Biofertilizer on Growth, Yield and Nutrient Uptake by Mung Bean (Vigna radiata L.)
No full textA field experiment was conducted at experimental farm, Department of Agronomy, A field experiment was conducted at experimental farm, Department of Agronomy, Faculty of Agriculture and Veterinary Sciences, Mewar University Gangrar, Chittorgarh (Rajasthan) during Rabi season of 2023-24 to study evaluated the effects of inorganic fertilizer, vermicompost, and biofertilizer on growth, yield, and nutrient uptake of the Mung bean variety \u27SML-832\u27. The result revealed that the maximum plant height (52.96 cm), number of branches per plant (8.62), leaf area index (4.15) and yield parameter such as number of pods per plant (19.22), number of seed per pod (9.45), grain yield (13.25 q/ha), straw yield (29.12 q/ha) with application of T5-100% RDF + Vermicompost 2.5 t/ha + Biofertilizer. The maximum nitrogen content in grain and straw (3.70 and 1.53%), phosphorus (0.66 and 0.43%), potassium content (1.05 and 1.60%) and nitrogen uptake in grain and straw (49.03 and 44.55 kg/ha), phosphorus (8.75 and 12.52 kg/ha) and potassium uptake (13.91 and 46.59 kg/ha) were recorded with T5-100% RDF + Vermicompost 2.5 t/ha + Biofertilizer. It was concluded that the treatment T5-100% RDF + Vermicompost 2.5 t/ha + Biofertilizer found significantly higher growth, yield and nutrient uptake by Mung bean
Response of Foliar Spray of Nutrients on Yield and Nutrient Uptake by Black Gram (Vigna mungo L.)
No full textA field experiment was conducted at experimental farm, Department of Agronomy, A field experiment was conducted at experimental farm, Department of Agronomy, Faculty of Agriculture and Veterinary Sciences, Mewar University Gangrar, Chittorgarh (Rajasthan) during Rabi season of 2023-24 to Response of foliar spray of nutrients on yield and nutrient uptake by black gram variety “Pratap Urd-1‟ was used in this study. The result revealed that the maximum yield parameter such as number of pods per plant (15.20), number of seed per pod (6.44), grain yield (11.52 q/ha), straw yield (5.62 q/ha) with application of T9-100% RDF + T7 + Foliar application of ZnSO4 @ 0.2%. The maximum nitrogen content in grain and straw (3.58 and 1.64%), phosphorus (0.39 and 0.48%), potassium content (1.73 and 1.62%) and nitrogen uptake in grain and straw (27.37 and 25.62 kg/ha), phosphorus (4.49 and 7.50 kg/ha) and potassium uptake (19.93 and 25.30 kg/ha) were recorded with T9-100% RDF + T7 + Foliar application of ZnSO4 @ 0.2%. It was concluded that the treatment T9-100% RDF + T7 + Foliar application of ZnSO4 @ 0.2% found significantly higher yield and nutrient uptake by black gram
Synthesis, Characterization and Anti-bacterial activity of Phenyl-D-Glucosazone
No full textThis study aims to describe the synthesis and determination of antibacterial activity of Phenyl-D-Glucosazone. Melting point and IR spectral data was confirm the structure of compound and antibacterial activity was characterized by the nature of biological activities. The antibacterial activity of the prepared compound was employed by using the agar well diffusion method and tested against Gram positive (S. aureus,) and Gram negative (Klebsiella pneumonia,) bacterial strain
Impact of Cutting and Tailoring Training on Skill Development and Adoption among SC Farm Women
No full textThe aim of present study was to examine the impact of “Cutting and Tailoring” skill based rural women training programme for SC farm women in terms of their technical knowledge, skill acquisition, satisfaction and adoption level on household/commercial. The finding highlighted the potential of such trainings in supporting entrepreneurship and uplifting the household livelihoods, thus providing the feedback to the educators and organizers. A 5-day training program was held in October, 2023 at Krishi Vigyan Kendra Damla, Yamunanagar (CCS Haryana Agricultural University, Hisar, Haryana) to train 60 SC farm women from 12 randomly selected villages. The pre and post training knowledge score were analyzed for significance with the help of ‘Z’ test. A significant positive difference was found between overall mean score of pre and post training technical knowledge. The mean score of the technical knowledge test of the respondents was 89.2 before training which increased to 95.4 after having training (6.2% increase).Out of the 16 components under skill acquisition, the Weighted Mean Score (WMS) of 10 components (Proper measurement, selection of fabric, drafting of garments, cutting of garments, stitching of various garments for all age groups, sleeves design, designing of yoke, maintenance of the machine, repairing and mending of clothes and work on automated stitching machine) was found to lie under fully skilled category. However, the WMS of the rest six components was found to lie under partially skilled. The trainees were highly satisfied with the coverage of subject matter having WMS (2.95), somewhat satisfied with provide physical facilities having WMS (2.19), highly satisfied with quality of trainers with WMS (2.89). 83.3 percent trainees adopted the training for household purpose whereas 16.7% trainees adopted the training for commercial purpose. In this way, a significant positive impact of training on skill & knowledge acquisition was observed which was clearly reflected by the adoption at household/commercial level
Review of Characterization and Testing Methods for the Mechanical, Microstructure, Pore, Permeability and Freeze-Thaw Properties of Porous Concrete
No full textPorous concrete, with its unique pore structure and excellent permeability, is widely used in modern engineering, particularly in urban drainage, environmental protection, and transportation. This paper systematically introduces the testing methods for the mechanical properties, microstructure, pore characteristics, permeability, and freeze-thaw durability of porous concrete, and explores the intrinsic relationships between these properties. Through experiments on compressive strength, flexural strength, porosity, permeability coefficient, and freeze-thaw cycles, the study reveals the influence mechanisms of pore characteristics on the mechanical and permeability properties of porous concrete. The results indicate that the porosity, pore size, and pore coordination number of porous concrete significantly affect its permeability and durability, while its mechanical properties are closely related to the uniformity of the microstructure and pore distribution. Specifically, the porosity of the tested specimens ranged from 15% to 30%, with pore sizes varying between 0.1 mm and 2.0 mm. The permeability coefficient was found to increase with higher porosity and larger pore sizes, while the compressive strength decreased. This paper provides theoretical support for the engineering applications of porous concrete and points out directions for future research
In-Situ Precipitated Calcium Carbonate in the Presence of Wood Flour and High Refined Old Corrugated Containerboard: A Handsheet Study
No full textThe paper and board industry strives to become more environmentally friendly by utilizing new eco-friendly raw materials that can improve production processes at the same time.
One solution for the board producing paper product segment is the utilization of nano fibrillated fiber material, the utilization of wood flour, and the production of In-Situ precipitated calcium carbonate.
The presented research project investigates on a laboratory scale the possibility of producing In-Situ precipitated calcium carbonate in the presence of old corrugated container fibers, nano fibrillated old corrugated container fibers and wood flour as an alternate additive for paper production process.
The laboratory experiments produced successfully In-Situ precipitated calcium carbonate in the presence of old corrugated fiber, nano fibrillated old corrugated fiber and wood flour material. In-Situ precipitated calcium carbonate could be produced at a level of 6.94%, 13.88%, and 20.83% regardless of the fiber material used.
Time for the precipitation was shorter for the lower level of In-Situ precipitated calcium carbonate, while higher level of In-Situ precipitated calcium carbonate increased up to over 9-fold for the old corrugated fiber, nano fibrillated old corrugated fiber and wood flour.
Fine retention for the old corrugated fiber material with In-Situ precipitated calcium carbonate containing wood flour was slightly lower than for the old corrugated fiber material with in-situ precipitated calcium carbonate. Nano fibrillated old corrugated fiber material with in-situ precipitated calcium carbonate had a approximately 40% higher fine retention ability then the old corrugated fiber material and the wood flour material, allowing that more In-Situ precipitated calcium carbonate material can be incorporated into the paper during sheet forming.
These findings suggest that ISPCC can be effectively produced with different fiber sources and may serve as an efficient filler for paper products, leading to improved performance and environmental sustainability
On the Performance of Greek Students on PISA Fields Using PISA Data: A Comprehensive Analysis
No full textThe cultivation of 21st-century skills is a key objective of most educational systems around the world today. Based on this widely accepted finding, this paper analyses the performance of Greek students in the OECD\u27s Programme for International Student Assessment (PISA), the main purpose of which is to test students\u27 acquisition of these skills. The research aims to answer two questions: first, whether the scientific community universally accepts this competition, and second, whether STEM education primarily cultivates 21st-century skills and improves students\u27 performance in the competition. To this end, we conducted a secondary analysis of the competition data and employed the methodology of evidence-based research. In conclusion, PISA does not enjoy universal acceptance within the scientific community and therefore cannot be the sole criterion for reforming an educational system. Nevertheless, the importance of cultivating 21^(st) century skills, which students will require in adult life, cannot be overlooked. Therefore, we propose STEM education as a means of developing the necessary skills, both within the school environment and in the broader context of extracurricular activities
Performance Characterisation of Aluminium Boiling Pot Using Some Selected Fractally Generated Internal Cylindrical Fins
No full textAluminium Boiling Pots (ABP) are essential for heating water. However, there is need for enhancing Heat Transfer (HT) during the process of heating water using ABP on Liquefied Petroleum Gas (LPG) stoves in order to minimise LPG’s cost. Fractal induced surfaces being self-similar geometrical-objects have high potential for enhancing HT, but there is dearth of information in their use for ABP integrated with Internal Cylindrical Fins (ICF). Therefore, this study was designed to characterise the performance of a fabricated 7-litre Experimental Aluminium Boiling Pot (EABP) incorporated with generated ICF (Ø5 X 140 mm) using some selected Fractal Objects (FO) rules. The base thickness, height, internal diameter and external diameter of EABP are 10, 155, 258 and 274 mm, respectively. The EABPs denoted by EABP3, EABP5, EABP7 and EABP9 were obtained by placing 3, 5, 7 and 9 ICF respectively, inside the EABP. The locations of ICF were determined using each of the five FO rules namely Koch, Xmas-tree, Triangle, Fractal-L and Fractal-T. The EABPs and the Finless Control Standard (FCS) were filled with 500 cL water at 27.2 oC and heated to boiling temperature of 97.4 oC at 760 mmHg standard atmospheric pressure with flow rate of 0.083 litres/seconds LPG. The performance of each of the EABPs was obtained by estimating the Quantity of Fuel Consumed (QFC) and Length of Time (LT) to achieve the boiling temperature. The Relative Performance Ratio (RPR) of each of the EABPs with respect to FCS was obtained. Data were analysed using descriptive statistics and ANOVA at 0.05 level of significance. The QFC and LT for studied cases (EABPs and the FCS) ranged 82.0-94.0 g and 11.57-13.39 minutes, respectively. The Xmas-tree showed the best QFC gain of 10.4 and 9.5 % for EABP3 and EABP5, respectively. The Koch and Xmas-tree had the best LT gain of 12.0 and 10.4 % for EABP7 and EABP3, respectively. The RPR across all the EABPs ranged 0.98-1.25 with the highest at EABP3 using Xmas-tree and the lowest at EABP9 using Fractal-L. There were significant differences between the QFC and LT by the five FO and the FCS. In this study, it was established that the pot integrated with fractally positioned internal cylindrical fins exhibited enhanced performance characteristics and boil water faster using less quantity of fuel when compared to the traditional water boiling pot
Screening of Potato Germplasms for Heat Stress in Lowland, Fafan, Somali Region, Ethiopia
No full textPotato (Solanum tuberosum L.) is a critical food security crop and a key source of income for smallholder farmers in Ethiopia. Despite its potential to produce high yields on limited land and within a short growing period, potato production in lowland areas remains limited due to high temperature stress. Developing and evaluating heat-tolerant potato genotypes adapted to these agro-ecologies is therefore essential. This study aimed to assess the yield performance of fifteen potato genotypes under lowland conditions at the Fafen Agricultural Research Station in the Somali Region during the 2021 and 2022 cropping seasons. The experiment was laid out in a randomized complete block design (RCBD) with three replications. The results showed highly significant differences among genotypes and between years for most yield-related traits, except days to flowering and maturity. Significant genotype × year interaction effects were observed for all traits except days to flowering, maturity, plant vigor, and plant height. Among the tested genotypes, CIP312923.522 and CIP312906.575 exhibited superior performance, producing the highest marketable tuber yields in categories I (>80 g tuber⁻¹) and II (>30 g tuber⁻¹), and total tuber yield, respectively. These promising genotypes are recommended for further evaluation in variety verification trials under on-station and on-farm conditions in the study area and other similar lowland agro-ecologies