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نمایش تعداد 1-10 از 33

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    Effect of slope aspects on variation of soil organic carbon in a loess hillslope of Toshan area, Golestan Province,Iran 

    نوع: Conference Paper
    نویسنده : S.Maleki; F.Khormali; F.Kiani; علیرضا کریمی; Alireza Karimi
    سال: 2012
    خلاصه:

    Soil organic carbon (SOC) is one of the most important carbon stocks and has large potential to affect global climate. Management of soils to increase SOC levels can therefore increase the productivity and sustainability of agricultural systems...

    Effects of drying and rewetting on dissolved organic carbon (DOC) of two alfisols in the north of Iran 

    نوع: Conference Paper
    نویسنده : امیر لکزیان; اکرم حلاج نیا; حدیثه رحمانی; Amir Lakzian; akram halajnia; Hadiseh Rahmani
    سال: 2009
    خلاصه:

    Drying and rewetting cycles affect many different soil characteristics. Dissolved organic carbon is a very important soil property, which can be affected by drying and rewetting cycles. In the present study, the effect of one to five drying...

    Latest Permian carbonate carbon isotope variability traces heterogeneous organic carbon accumulation and authigenic carbonate formation 

    نوع: Journal Paper
    نویسنده : Martin Schobben; Sebastiaan van de Velde; Jana Gliwa; Lucyna Leda; Dieter Korn; Ulrich Struck; Clemens Vinzenz Ullmann; Vachik Hairapetian; عباس قادری; Christoph Korte; Robert J. Newton; Simon W. Poulton; Paul B. Wignall; Abbas Ghaderi
    سال: 2017
    خلاصه:

    facilitated a spatial increase in heterogeneous organic carbon accumulation. Combined with low marine sulfate, this resulted in varying degrees of carbon isotope overprinting. A simulated time series suggests that a 50 % increase in the spatial scatter...

    Tillage and N application effects on crop yield, N uptake and soil properties in a corn-based rotation 

    نوع: Journal Paper
    نویسنده : سیدشهاب الدین معین الدینی; علیرضا کوچکی; مهدی نصیری محلاتی; A. Borzooei; seyyed shahaboddin moinoddini; Alireza Koocheki; Mehdi Nassiri Mahallati; A. Borzooei
    سال: 2017
    خلاصه:

    The objective of this study was to determine the influence of tillage methods (conventional tillage (CT) and minimum tillage (MT)) and N rates (0, 50, 150, 250 kg N ha−1) on crop yield, N uptake and soil organic carbon (SOC), bulk density (BD...

    Long term effects of deforestation on soil attributes: case study, Northern Iran 

    نوع: Journal Paper
    نویسنده : آزاده قلوبی خناچا; حجت امامی; امین علیزاده; Reza Azadi; azadeh gholoubi; Hojat Emami; Amin Alizadeh; Reza Azadi
    سال: 2019
    خلاصه:

    in significant decreases in organic carbon, available potassium and pH. Reduction of annual organic matter input to soil as a result of deforestation and also rapid oxidation of organic matter in deforested places were responsible for a significant decrease in OC...

    Evaluation of soil net primary production and the potential for carbon sequestration for corn in different management systems 

    نوع: Conference Paper
    نویسنده : سرور خرم دل; علیرضا کوچکی; مهدی نصیری محلاتی; رضا خراسانی; رضا قربانی; Surur Khorramdel; Alireza Koocheki; Mehdi Nassiri Mahallati; Reza Khorassani; Reza Ghorbani
    سال: 2011
    خلاصه:

    application (5.0 g C m-2.yr-1) and in low input system with compost application (2.7 g C m-2.yr-1). The highest soil organic carbon and organic matter contents were observed in low input based on cow manure application (2.0 and 3.4 percent, respectively...

    Extreme storms and changes in particulate and dissolved organic carbon in runoff: Entering uncharted waters? 

    نوع: Journal Paper
    ناشر: Wiley
    سال: 2013

    Predicting soil nitrogen and organic carbon using near infrared spectroscopy coupled with variable selection 

    نوع: Journal Paper
    نویسنده : Jia, S. - Zhang, J. - Li, G. - Yang, X.
    ناشر: American Society of Agricultural and Biological Engineers
    سال: 2014

    Organic matter removal during pilot scale soil aquifer treatment for domestic wastewater in the tropics 

    نوع: Journal Paper
    نویسنده : Ascأ؛ntar - Madera - Peأ±a - Sharma, S.K.
    ناشر: IWA Publishing
    سال: 2014

    Stochastic modeling of fine particulate organic carbon dynamics in rivers 

    نوع: Journal Paper
    نویسنده : Drummond, J. D. - Aubeneau, A. F. - Packman, A. I.
    ناشر: American Geophysical Union
    سال: 2014
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