VOLUME 10, NUMBER 3

VOLUME 10, NUMBER 3

Table of Contents

Analysis of school Plant Maintenance in Some Selected Secondary

Schools in Ibadan Metropolis Nigeria: Financial Planning Implications.

Alabi, Christianah Oluwakemi                                                                        1-15

The Role of Teacher Education in the Emerging National Issues:

Psychological Perspective

Abubakar Hussaini Yoffo                                                                                 16-29

Impact of Pedagogical Skills in Teaching of Agricultural Education in

the Ipere College of Education Agyaragu, Nasarawa State.

Usman Stephen, and Azan, Baba James, Oguche Damian Monday,

Yakubu Mikailu Machuwe, Elisha, Bulus Gidinye & Iyimogah, Ose Olobo      30-42

Relationship between Entry Qualification Grade and Performance

in Mathematics IN Kashim Ibrahim College of Education Maiduguri

Bashir Alhaji Mustapha and Ahmed Sule Askira                                             43-53

Alternative Sources of Funding Secondary Schools in Ankpa Educational

Zone of Kogi State

Akoji Augustine                                                                                               54-63

Challenges in Learning English for Hausa Student in Secondary Schools

Ahmad Saidu, Ahmad M Bello, Shafayau Hassan, Abbas A Yahaya               64-74

STUDY ON THE EFFECT OF DIFFERENT CONCENTRATION OF DRUMSTICK ( Moringa oleifera ) LEAF EXTRACT ON SEED GERMINATION AND EARLY GROWTH OF WATER MELLON (Citrullus lanatu)

¹Karaye I.U. , ² Shehu A., ²Sulaiman B. and ²Hannatu M.L

¹Depertment of Biological Sciences Usmanu Danfodiyo University, Sokoto, Nigeria.

²Department of Biology Shehu Shagari College of Education, Sokoto

Email address: abusahmad@yahoo.com

ABSTRACT

A study on the effect Moringa Oleifera leaf extract on Citrullus lanatus was carried out at the Biological Garden of Usman Danfodiyo University, Sokoto. The aim was to determine the effect of Moringa leaf extract at different concentration on seed germination and early seedling growth of C. Lanatus (water Mellon). Aqueous extract was prepared by driving freshly leaf formed Moringa leaves e water and filtered out to obtain liquid extract which was then diluted with water in the following concentrations: 0ml, 20ml, 40ml, 60ml, 80ml. control treatment was set up using disliked water only. The six treatment were applied directly on C. lanatus seeds raised in 18 poly pots of 18cm long 2cm wide. The experiment was laid out in a completely randomize design in three (3) replicate. It was run for 15 days. Data were collected on number of leaves, stem high, root length, shoots fresh and dry weight at harvest, while germination rate was within 15 days of the experiment and where subjected to analysis of varience. Result obtain showed significant (P˂ 0.05) effect of the treatment on all the characters measured. Base on the results obtain, Moringa leaf extract has an improving effect on seed germination and growth of C. lanatus parts farmers are therefore recommended to adopt the use of this extract since it is easier, inexpensive, cheaper and can be obtain in large quantities in order to meet up demand of large hectares of land. 

Keywords: Moringa, Leaf, Citrillus, Melon, Extraction, Seed, Germination

LIFE CYCLE COST ANALYSIS OF A MULTI-TRAY SOLAR DRYER WITH THERMAL ENERGY STORAGE BED

¹Benjamin Ternenge Abur and ²Muhammad Hadi Ibrahim

^1,2Department of Mechanical/Production Engineering, Faculty of Engineering and Engineering Technology, Abubakar Tafawa Balewa University, Bauchi

¹engrbenjaminabur@gmail.com

ABSTRACT

A simple multi-tray natural convection solar dryer incorporating a sensible thermal energy storage bed has been developed using locally sourced materials. The sensible heat material is gravels of 45kg beneath the solar air heater.  Test evaluation shows a temperature range of 29 to 56.5°C for the drying chamber while the heat storage bed temperature ranges between 31 to 57.8⁰C at the uppermost part of the bed. It took 48 hours to reduce the moisture content of 7.50kg of fresh tomatoes at 93% to 5.5% under the weather condition of Bauchi in the month of February. Samples dried with the solar dryer were of superior quality compared to the open sun method. The computed payback period of the solar system ranges from 2.42 to 4.28 years using the annualized cost method and is lower than the expected life of the dryer. Also the amount of money that could be save from using the system compare to an electric powered dryer is worked out including the present worth, annual cash flow and cost of drying.

Keywords: Indirect solar dryer, thermal energy storage material, life cycle cost, payback period.

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