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    DETERMINING THE EFFECTS OF SEWAGE SLUDGE AND RHIZOBIUM INOCULATION ON NUTRIENT AND HEAVY METAL CONTENT OF LENTIL (LENS CULINARIS MEDIC.)
    (Corvinus Univ Budapest, 2019) Cig, F.; Erman, M.; Sonmez, F.
    This study investigates the effects of increasing doses of sewage sludge with Rhizobium inoculation on lentil (Lens culinaris Medic.) straw and grain macro, micro and heavy metal contents in 2003-2004 and 2004-2005 growing seasons. Experiment was conducted as a randomized complete block design with 3 replications. At the end of the study, it was seen that Rhizobium inoculation affects the N, Mg, and Pb contents of the lentil straw on by P<0.05, P and Ca contents by P<0.01 in the first year; the N, Fe, and Zn contents on P<0.05 level, on the Pb content P<0.01 level in the second year. Lentil grains were affected only on the K, Fe, Pb, and Cd contents by P<0.05. Sewage sludge applications were used to detect the effects on the N, Mg, Fe, Mn and Cu contents of the lentil straw by P<0.01, Co content by P<0.05, and Pb content by P<0.01 in first year; on the N, K, Zn and Pb contents by P<0.01, P and Mn contents by P<0.01, on the Mg, Fe, Cu, and Co contents by P<0.05 in the second year. Effects received by the lentil grains are as follows: The N, K, and Cu contents by P<0.01, on the Pb, Fe, P, and Mg contents by P<0.01, on the Ca and Zn contents by P<0.05 in the first year; on the P, K, Ca, Mg, Fe, Mn, Zn, Cu and Co contents by P<0.01, on the Pb content by P<0.05 in the second year. The effects of inoculation on the lentil straw and grain, regarding the nutrient and heavy metal contents were determined to be insignificant. This result may be a result of weak inoculation application and the heavy metal content of the sewage sludge, as well as the negative effects of Rhizobium inoculation.
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    Effect of Fe (iron) and Mo (molybdenum) application on the yield and yield parameters of lentil (Lens culinaris Medic.)
    (Agricultural Research Communication Centre, 2015) Togay, N.; Togay, Y.; Erman, M.; Çig, F.
    The study was carried out to determine the effect of different levels of iron (0, 5, 10 and 20 kg ha-1) and molybdenum (0, 2, 4 and 6 g kg-1 seed) on the yield and yield components in lentil (Lens culinaris Medic. cv. Sazak-91). The experiments were conducted in a factorial design with three replications during 2006-07 and 2008-09 in Van, Turkey. The highest seed yield was obtained from 20 kg ha-1 iron with 956 kg ha-1 and 6 g kg-1 seed molybdenum levels with 963 kg ha-1 in the first year, while it was obtained from 20 kg ha-1 iron with 1031 kg ha-1 and 6 g kg-1 seed molybdenum with 1010 kg ha-1 in the second year. Seed nutrient contents such as protein rate, phosphorus, manganese, copper and molybdenum significantly increased under the influence of iron and molybdenum treatments over control. © 2015, Agricultural Research Communication Centre. All Rights Reserved.
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    The Response of Grain Legumes to Vermicompost at Germination and Seedling Stages
    (Agricultural Research Communication Centre, 2021) Ceritoglu, M.; Erman, M.; Ceritoglu, F.; Bektas, H.
    Background: The importance of organic fertilizers in agricultural production has increased due to the negative effects of intensive chemical fertilizer use on soil, the environment and human health. Vermicompost, as a rich organic fertilizer and soil amendment material, maybe a viable alternative to chemical fertilizers. While a low concentration of vermicompost has a promotive effect on growth, it may lead to inhibition of germination and seedling growth. Therefore, this study aimed to find appropriate dose ranges for vermicompost application. Methods: The study was carried out as a factorial experiment with a completely randomized design with three replications. The experiment was conducted in a growth chamber as a pot study with four doses of vermicompost (control, 10, 20 and 30%). Eight cultivars from four different species were used. The response of germination and seedling traits to increased vermicompost concentration was investigated. Result: In general, while 10% and 20% of vermicompost showed a promotive effect depending on species, higher dose inhibited the germination and dry matter accumulation. As a result, the promotive effect of low dose and inhibitory effect of higher doses are thought to be caused by the complex chemical composition of vermicompost and increasing medium pH. Therefore, the concentration of the vermicompost that will cause pH changes should be carefully considered and the pH range in which the plant species show optimum growth should be well determined.