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    May 13, 2015Open    AccessPreprint

    Effect of Variable Sulfur Supply on Thiol Compounds and Arsenic Accumulation in Kandelia Obovata (S., L.) Yong Seedlings

    Dou Yangyang, Wu Guirong
    In the present study, Kandelia obovata (S., L.) Yong seedlings were exposed to As V(0, 30, 60 and 150 mg kg-1) under different levels of sulfur (0, 0.1, 0.2 and 0.4% (w: w)) supply. A highly significant negative correlation between arsenic concentration in leaves with sulfur treatment (r=-0.554, P...

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    Apr 29, 2015Open    AccessPreprint

    Validation of Analytical Method for Chromatographic Determination of Chlorimuron Ethyl Herbicide in Sediments

    Ramom Rachide Nunes, Bruno Henrique Froes Santos, Maria Olímpia Oliveira Rezende
    The present work describes the validation of an analytical method for chromatographic determination of chlorimuron ethyl herbicide (compound of sulphonylurea group) in sediments, in according with Brazilian legislation, following the guidance and normative documents of INMETRO (DOQ-CGCRE-008) and ANVISA (Resolution RE no 899 - 2003). The results show that the chromatographic method demonstrated to be selective, accurate, precision and linear over the concentration range of 5.0-1000.0 ug L-1...

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    Mar 23, 2015Open    AccessPreprint

    Forage Yield and Quality of Mungbean as Influnced by Harvesting Stage and Seed Rate

    Yousif Mohamed Zainelabdeen Hamed, Mozzamil A.M. Eltalib
    This study was conducted in gedarif research station farm for two seasons in 2013 and 2014. The objective was to determine optimum seed rate and time of harvesting mungbean for green forage and hay under rain fed conditions. The results showed different significant in three stage of cutting and three seed rate at different parameter as indicated by plant height, plant number, branch number, leave number and dry weight. The result showed highly significant between vegetative and boding stage. In ...

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