Leaf Chlorophyll and Tuber Size of Potato (Solanum Tuberosum l) as Influenced by Varieties and Nitrogen Levels in Tarai Region of Uttarakhand
Nitrogen (N) fertilizer management is a challenge in potato production. Therefore, a study was carried out to known the impact of varieties and nitrogen levels on leaf chlorophyll content and tuber size of potato. All possible combination of two varieties of potato viz. Kufri Sadabahar (V1) and Kufri Surya (V2) and five nitrogen levels (0, 75, 150, 225 and 300 kg N/ha) were replicated thrice in factorial randomize block design. Two year pooled data shows that vareties did not varies significantly for chlorophyll content ‘a’ and ‘b’ of potato leaves but the it was affected significantly by nitrogen levels and recorded highest with treatment N3 (0.74 and 0.90 mg/ g leaves, chlorophyll ‘a’ and ‘b’, respectively). Interaction effect of treatment V1N4 gave maximum chlorophyll ‘a’ content but variation among treatments interaction were non significant for chlorophyll ‘b’ content. 0-25 g and >75 g tuber number recorded higher in Kufri Surya (V2) having 255.91 and 275.70 thousand/ha, respectively, while, yield of 0-25 g tubers higher in Kufri Sadabahar (V1) i.e. 1.58 t/ha, other grade tuber yield showed non significant variation for varieties. The size of tuber was increased with increase in nitrogen levels. The number and weight of smaller size tuber observed higher with lower lever levels of nitrogen, while, number and weight of larger size tubers observed higher with higher level nitrogen. Interaction of varieties and nitrogen levels affect significantly to number and weight of different size tubers.
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Survey of Standardization Methods of Instrumental Neutron Activation Analysis: A Review
The quest for a versatile standardization method for Instrumental Neutron Activation Analysis Technique has been the major driving force behind many research works for the past few decades. The key factor is the desire to overcome the limitation of dependence on multi-elemental standards without sacrificing analytical accuracy and experimental simplicity. Appraisal of the different approaches towards standardization of Neutron Activation Analysis has been carried out; re-visiting the strengths and weaknesses of each standardization method. k0-standardization method is proposed to be the most suitable for its robustness and for providing remedy to the drawbacks in other methods. The basic principle of Neutron Activation Analysis and the superior qualities of k0-standardization has been reviewed.
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Organizational Trust, Job Satisfaction and Job Performance among Teachers in Ekiti State, Nigeria
This study examined the influence of organizational trust and job satisfaction on teachers' job performance among teachers in Ekiti State. Two hundred and fifty eight teachers randomly drawn from Ekiti State public secondary schools participated in the study. Organizational trust scale, Job satisfaction scale and Teachers' Sense of Efficacy Scale were used as measures of investigation. Four hypotheses were tested using the independent t-test and the two way Analysis of Variance. Results showed that organizational trust significantly influences job performance among teachers in Ekiti State [F (1,254) = 12.355; P< .01]. Also, it was revealed that job satisfaction significantly influences job performance among teachers [F (1,254) = 3.529; P< .05]. However, no significant interaction effect of job satisfaction and organizational trust was found on job performance. Result of data analyses also showed that sex has no significant influence on job performance among teachers in Ekiti State [t (256) = -0.58; p>.05]. The findings were discussed in line with previous research findings and it was recommended that teachers should be given responsibilities and authority with less supervision to boost their sense of belongingness, respect and commitment which sustains trust in organizations and enhance performances.
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A Review of Metaphase Image Selection Techniques for Automatic Karyotype Generation
The karyotype is analyzed to detect the genetic abnormalities. It is generated by arranging the chromosomes after extracting them from the metaphase images. The chromosomes are non-rigid bodies that contain the genetic information of an individual. The metaphase spread contains the chromosomes but these chromosomes are not distinct bodies, they can either be individual chromosomes or they may be touching one another, they may be bent or even may be overlapping and thus forming a cluster of chromosomes. The extraction of these touching and overlapping chromosomes is a very tedious process. The segmentation of these may not give us correct and accurate results. Therefore before taking up a metaphase image for analysis it must be analyzed for the orientation of the chromosomes it contains. The various reported methods for metaphase image selection for automatic karyotype generation are compared in this paper, the images of metaphase spread are having hypo or hyper fluorescent regions and there is variability of contrast between the background and the chromosomes. After analysis it has been concluded that each metaphase image selection method has its advantages and disadvantages. The MetaSel software outperforms all the methods and is having the overall best performance.
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Evaluation of Profitability of African Oil Bean (Pentaclethra macrophylla Benth) Marketing and Distribution in Ibadan Markets
African oil bean (Pentaclethra macrophylla Benth) is one of the numerous tree plants in the tropics found abundantly in the Eastern part of Nigeria where the seed called ugba – a non timber forests product is not only consumed as a delicacy but highly revered and recognized as one of the cultural menu recipes for traditional ceremonies. The study was all about the profitability of marketing the seed within Ibadan metropolis, Oyo State, Nigeria. Purposive sampling technique was employed using structured questionnaires to interview the traders. The result revealed among many others that the business was female gender – driven, dominated by Igbo traders (78.12%) and quite profitable. The average profit per 98.6kg bag was ?23675. Profitability (?0.29) tells that for every one Naira investment, 29kobo is realized as profit and the profitability ratio (0.22) with regard to sales reveal also that for every one Naira sales or returns 22kobo comes in as net income. Notwithstanding the profit margin, the business was however not without some constraints against which some recommendations were made.
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Physicochemical Properties of Epoxy Polyol with Isophorne Diisocyanate based two Component Polyurethane Coatings
Polyurethane coatings are formed from the chemical reaction between polyol and polyisocyanate hardener. By varying the concentration of isophorne diisocyanate, two component polyurethane coatings have been prepared with the blending of epoxy polyol and isophorne diisocyanate (IPDI). Totally seven types of experiments were conducted with the prepared blend mixtures. All these experiments were based on the solid contents of the hydroxyl equivalent weights of epoxy polyol and NCO equivalent weight of IPDI. Films were coated on the mild steel using the clear polyurethane solution. The Electrochemical Impedance Spectroscopy (EIS) was used to characterize the coated film. The formation of the polyurethane was confirmed FTIR spectral data.
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Investigating the Ways of Reducing the Inter - Organizational Conflicts of Educational Institutions (Case Study of Dashtestan City)
This study is an attempt to investigate the ways to reduce the internal organizational conflicts of the educational sets of Borazjan city. The methodology of this study is a descriptive-survey method. The study included all administrators and teachers training centers of Borazjan city who are 420 people. In this study, a systematic random sampling method (regular) has been used. The required data were collected using OCCI questionnaire and their reliability are 0/80, 0/75and 0/70and 0/73and 0/84 that they were confirmed. The obtained data were analyzed using descriptive statistics such as a one or two-dimensional table of frequency distribution, percentage, mean, standard deviation and inferential statistics such as comparing the means by independent t-test. The result of this study has shown that the difference between the mean of internal organizational conflicts of principals and teachers in educational sets of Borazjan city is significant . Based on this study and previous studies, can be concluded that one of the most important ways to reduce internal organizational conflicts of educational sets is using an appropriate management styles in dealing with internal organizational conflicts and also it is not recommended to just use a particular management style to reduce the level of internal organizational conflicts.
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Participatory Urban Development: “A New Approach in Urban Management of Megalopolis (a Case Study of District One of Shiraz)”
Today, with the growing population in megalopolis around the world, particularly in developing countries followed by increasing problems caused by unbridled urbanization process within these countries in different aspects, the need to face these new challenges of urbanization have made a need for changes in urban management practices in megalopolis, therefore participatory urban development as a new approach and an efficient planning system can decrease and gradually eliminate many of today's problems in megalopolis if it is achieved accurately and expertly with taking into account all aspects and full understanding of the views and the wishes of the inhabitants of each city. The methodology of this study is functional based on the purpose and based on the nature, is descriptive - analytical. This study used library, documental, and field studies to gather data, In order to achieve the objectives of this study, a questionnaire with closed questions using Likert spectrum with convincing reliability and validity was developed and distributed within in district one of Shiraz on the basis of random sampling and then, obtained data were analyzed using SPSS software and finally recommendations and solutions to achieve the optimal participation of the neighborhood residents. The result of this study has indicated that there is a significant relationship between the lack of proper planning and its role in the lower participation of citizens of district one of Shiraz , and also a significant relationship between the urban management practices and the degree of participatory of the neighborhood residents. It seems that it is essential for urban managers to do necessary planning to gain greater participation of local residents and also increase the degree of participatory of people in urban development programs by changing the traditional management practices.
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Supportive Discourse Moves in Iranian English Electronic Requests to Faculty
This paper is an attempt to investigate the type and amount of lexical/phrasal and external modifiers employed in the English e-requests of Iranian EFL postgraduate students (nonnative speakers of English) to their professors during their education at Islamic Azad University, Najaf Abad Branch, Isfahan, Iran. To that end, the study employed both quantitative and qualitative approaches to investigate 60 English e-mails composed by the participants. More specifically, Blum-Kulka, House, and Kasper's (1989), Blum-Kulka and Olshtain's (1984), and Edmondson's (1981) classification of requests was employed for coding the modification of the collected electronic requests. Findings from the study reveal that the Iranian students’ e-mails are not overly adorned with politeness modification. This paper argues that such e-mails fail to create e-polite messages to faculty and therefore capable of causing pragmatic failure.
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Heterosis for Quality and Resistance Traits in Forage Sorghum [Sorghum bicolor (L.) Moench]
The magnitude of heterosis in fifty crosses (F1s) made by crossing five sudan grass pollinators with ten cytoplasmic male sterile lines in a line x tester mating design in forage sorghum. Based on per se performance and heterotic response eleven crosses for resistance to shoot fly infestation over better parent and six crosses for total soluble solid, SP 55609 A x PC 8 for protein per cent, 2219 A x PC 8, 2219 A x CSV 15, MR 750 A2 x CSV 15 for HCN content and ICSA 469 x PC 5 for IVDMD per cent were appeared best cross combinations for all three kinds of heterosis and could be used for commercial exploitation of good quality forage sorghum after multilocation testing.
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