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    The Effect of Increasing Doses of Sulfur Application of Some Nutrient Elements, Vitamin C, Protein Contents And Biological Properties of Canola Plant (Brassica Napus L.)
    (Univ Namik Kemal, 2013) Adiloglu, S.; Acikgoz, F. Eryilmaz; Adiloglu, Aydin
    This study was conducted in order to determine the effect of increasing doses of sulfur (S) application on some macro and micro elements, vitamin C, protein contents and biological properties of canola plant. In the experiment four doses of S (S-0: 0 mg kg(-1), S-1: 20 mg kg(-1), S-2: 40 mg kg(-1), S-3: 60 mg kg(-1)) were applied as NH4SO4 fertilizer in greenhouse conditions. The content of Vitamin C content of canola plant decreased with increasing doses application of S. Vitamin C content of canola plant was obtained for So dose as 28.41 mg 10(-1)g and decreased Vitamin C content of canola plant with increasing S application and 22.36 mg 100(-1)g obtained for S-3 dose. Protein content of canola plant increased from So dose to S-2 dose with S application and decreased for S-3 dose application. Protein content of canola plant was found 33.71 % for S-2 dose. On the other hand, Potassium (K), Calcium (Ca), Magnesium (Mg), Iron (Fe) and Copper (Cu) nutrient elements contents of canola plant increased with S application but these increases were not found statistically significant. The highest Nitrogen (N) (6.68 %), Phosphorus (P) (0.80 %) and Zinc (Zn) (47.4 mg kg(-1)) contents were obtained with S-2 dose and the highest Mangan (Mn) (70.6 mg kg(-1)) content were obtained with S3 dose of canola plant. Some biological properties of canola plant increased with increasing sulfur application. Plant height was determined as 37.16 cm, plant weight as 101.87g and number of leaves a plant as 8.33 for S-3 dose application. Canola plant can be an alternative product rather for vegetables which have rapid growth periods such as lettuce, cress, rocket, fresh onion, garlic, and leek from the months of late fall to early spring even until the beginning of summer.