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    Agricultural soil properties and crop production on Lithuanian sandy and loamy Cambisols after the application of calcareous sapropel fertilizer

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    Authors
    Bakšienė, Eugenija
    Fullen, Michael A.
    Booth, Colin A.
    Issue Date
    2006
    Submitted date
    2007-02-22
    
    Metadata
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    Abstract
    Lake-derived organic-rich mud (sapropel) is used as a soil fertilizer on sandy loam Haplic Luvisols in Lithuania. Various application rates (50, 100, 150 and 200 t ha-1) were applied to crop rotations (maize, barley, clover, winter rye, potatoes and oats) and their subsequent long-term influences on soil physico-chemical properties and crop production determined. Soil agrochemical properties were evaluated before (1984 – 1985) and after the end of the first (1989 – 1990), second (1995 – 1996) and third (2001 – 2002) crop rotations from seven treatments with four replications. In most cases, after each crop rotation, there were notable increases in pH, total absorbed bases, total nitrogen content, available phosphorus and potassium and soil organic matter content (humus). After three rotations, changes in soil acidity, total nitrogen and humus on all sapropel treatments were significant (p < 0.05), but effects on phosphorus and potassium were not significant. In comparison, for most treatments, manure produced greater improvements in soil properties than sapropel. However, after 18 years of application, sapropel did improve crop productivity almost to the level achieved by applications of manure and fertilizers. Therefore, results demonstrate there are long-term benefits of sapropel applications, namely improvements in soil properties and crop productivity.
    Citation
    Archives of Agronomy and Soil Science, 52(2): 201-206
    Publisher
    Taylor & Francis
    URI
    http://hdl.handle.net/2436/8791
    DOI
    10.1080/03650340600626938
    Additional Links
    http://dx.doi.org/10.1080/03650340600626938
    Type
    Journal article
    Language
    en
    Description
    Metadata only
    ISSN
    0365-0340
    ae974a485f413a2113503eed53cd6c53
    10.1080/03650340600626938
    Scopus Count
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    Faculty of Science and Engineering

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