53 research outputs found

    Effect of Agri-SC as a soil conditioner on runoff, soil loss and crust strengths

    Get PDF
    This study was carried out to determine the effect of Agri-SC as a soil conditioner at different doses (0, 18.50, 37.00, 55.50 and 74.00 l ha-1) on water erosion and crust strengths under laboratory conditions with three replicates. The Agri-SC solutions were sprayed and two consecutive simulated rainfalls (60 mm h-1) were applied on a loamy soil sample into the erosion plots. Erosion plots were waited under a platform including four infrared lamps (250 Watt) at 16 h between two consecutive simulated rainfalls. Results showed that the Agri-SC treatments decreased runoff, soil loss and crust strengths significantly (p ≤ 0.01) in each of the two simulated rainfalls compared with controls in the experiment.Key words: Agri-SC, crust strength, rain simulator, runoff, soil loss, soil stabilizers

    Internship at the User-Oriented Grand Library

    Get PDF
    Ankara Üniversitesi Dil ve Tarih Coğrafya Fakültesi Bilgi ve Belge Yönetimi Bölümü öğrencilerinin Kuzey Kıbrıs Türk Cumhuriyeti’ndeki Yakın Doğu Üniversitesi Büyük Kütüphanesinde yaptıkları staj izlenimleri paylaşılmaktadır.Students from the Department of Information and Records Management, Faculty of Humanities, Ankara University share their impressions of the internship experience they gained at the Grand Library of Near East University in Turkish Republic of Northern Cyprus

    Returns to Foreign Language Skills in a Developing Country: The Case of Turkey

    Get PDF
    Foreign language skills represent a form of human capital that can be rewarded in the labor market. Drawing on data from the Adult Education Survey of 2007, this is the first study estimating returns to foreign language skills in Turkey. We contribute to the literature on the economic value of language knowledge, with a special focus on a country characterized by fast economic and social development. Although English is the most widely spoken foreign language in Turkey, we initially consider the economic value of different foreign languages among the employed males aged 25 to 65. We find positive and significant returns to proficiency in English and Russian, which increase with the level of competence. Knowledge of French and German also appears to be positively rewarded in the Turkish labor market, although their economic value seems mostly linked to an increased likelihood to hold specific occupations rather than increased earnings within occupations. Focusing on English, we also explore the heterogeneity in returns to different levels of proficiency by frequency of English use at work, birth-cohort, education, occupation and rural/urban location. The results are also robust to the endogenous specification of English language skills

    Eyelid Disorders in Ophthalmology Practice: Results from a Large International Epidemiological Study in Eleven Countries

    Get PDF
    Purpose: Anecdotal evidence suggests that eyelid disorders are common, although estimates of prevalence vary. The current study determines the prevalence of eyelid disorders, meibomian gland dysfunction (MGD) and related diseases (specifically ocular surface disease) in a population of patients presenting for routine ophthalmologic consultations. Methods: This cross-sectional epidemiologic survey evaluated patients presenting for routine ophthalmic visits. During the consultation an ophthalmologist completed a questionnaire, and each patient underwent an ophthalmic examination and completed a quality of life questionnaire. Results: Three hundred forty-nine ophthalmologists, recruited from 11 countries, provided data on 6525 patients. Patients were predominantly females (61.6%). The mean age of the study population was 57.0 ± 17.6 years. Eyelid disorders were diagnosed in 5109 (78.3%) patients and were statistically associated with

    Functional outcomes in symptomatic versus asymptomatic patients undergoing incisional hernia repair: Replacing one problem with another? A prospective cohort study in 1312 patients

    Get PDF
    Background: Incisional hernias can be associated with pain or discomfort. Surgical repair especially mesh reinforcement, may likewise induce pain. The primary objective was to assess the incidence of pain after hernia repair in patients with and without pre-operative pain or discomfort. The secondary objectives were to determine the preferred mesh type, mesh location and surgical technique in minimizing postoperative pain or discomfort. Materials and methods: A registry-based prospective cohort study was performed, including patients undergoing incisional hernia repair between September 2011 and May 2019. Patients with a minimum follow-up of 3–6 months were included. The incidence of hernia related pain and discomfort was recorded perioperatively. Results: A total of 1312 patients were included. Pre-operatively, 1091 (83%) patients reported pain or discomfort. After hernia repair, 961 (73%) patients did not report pain or discomfort (mean follow-up = 11.1 months). Of the pre-operative asymptomatic patients (n = 221), 44 (20%, moderate or severe pain: n = 14, 32%) reported pain or discomfort after mean follow-up of 10.5 months. Of those patients initially reporting pain or discomfort (n = 1091), 307 (28%, moderate or severe pain: n = 80, 26%) still reported pain or discomfort after a mean follow-up of 11.3 months postoperatively. Conclusion: In symptomatic incisional hernia patients, hernia related complaints may be resolved in the majority of cases undergoing surgical repair. In asymptomatic incisional hernia patients, pain or discomfort may be induced in a considerable number of patients due to surgical repair and one should be aware if this postoperative complication

    The fertility and some heavy metal contents of vineyard plantations in salihli district of the Aegean region [Ege bölgesi salihli İlçesi bağ plantasyonlarının verimlilik durumları ve Ağır metal İçerikleri]

    No full text
    The purpose of this study was to determine the nutritional conditions and some heavy metal contents of vineyard plantations in Salihli district of the Aegean Region. In this context, ten vineyard plantations were selected from the distinct and leaf samples and soil samples from two different depths were taken. According to the results; the study soils have alkaline reaction, light texture (0-30 and 30-60 cm depths), moderate total salt content and fairly low organic matter content. Lime content of the soils changed between normal and high levels. The study soils were nitrogen (N) in low and very low levels, phosphorus (P) in low level and potassium (K) in very low and moderate levels. The contents of iron (Fe), copper (Cu) and manganese (Mn) of soils were good and sufficient levels but zinc (Zn) was detected as deficit in general. It was determined that there was no pollution for heavy metals in both soil depths. The contents of nitrogen (N), phosphorus (P), calcium (Ca), magnesium (Mg), zinc (Zn) and manganese (Mn) of leaf samples were sufficient, but potassium (K) content changed deficient and sufficient levels. The contents of iron (Fe) and copper (Cu) of vineyard leaves were high and very high, respectively. It was found that there was no pollution for the cadmium (Cd), chrome (Cr) and cobalt (Co) elements in vineyard leaves. © 2017 Namik Kemal University - Agricultural Faculty. All Rights Reserved

    The effect of different growing periods and nitrogen fertilizers on nitrogen fractions and nutrient content of garden cress (Lepidium sativum L.) [Farklı ekim zamanı ve azotlu gübre uygulamalarının tere (Lepidium sativum L.) bitkisinin azot fraksiyonları ve bitki besin maddesi içeriğine etkileri]

    No full text
    2-s2.0-85073535500Nitrogen fertilization is the most preferred type of fertilizer on garden cress because of causing to more developing of leaves and better looking. However, as a result of this fertilization, nitrate and nitrite accumulation may occur in the cress leaves. Nitrozo compounds which are formed by binding nitrite and nitrate to other compounds are toxic and can cause serious health problems. In this study; the effects of different months of the year and nitrogen sources on garden cress (Lepidium sativum L.) yield and accumulation of nitrate, nitrite and total nitrogen and nutrient change in leaves were investigated during two years. In both years, seeds were sown on the first days of September, October, November, January, February and March. Three different nitrogen sources were used Farmyard manure (100 ton ha-1), Ca(NO3)2 and (NH4)2SO4 (150 kg N·ha-1). The experiment was carried out according to the randomized plots design with three replicates and harvested at the time of 7-10 leaves of 90% of the leaves. Then, the nitrogen fractions of the leaves and other nutrient contents and yield were determined. The sowing time and the nitrogen source were significantly affected both yield and nitrogen fractions of leaves in both years, but no effect on other nutrient quantities was observed. The highest yields in both years were found in ammonia and nitrate fertilizer applications in January and September, while the lowest yields were found in March and November in farmyard application. The highest nitrate, nitrite and total nitrogen values were determined in nitrate fertilizer application. © 2019, Centenary University. All rights reserved
    corecore