ISSN 2394-5125
 
2021, Vol: 8, Issue: 8
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    ALLELOCHEMICAL INFLUENCE OF CYPERUS ROTUNDUS L. AND CYNODAN DACTYLON L. ON PHYSICOCHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL (2019)
    Kavitha D.Manikandan V., Prabhakaran J.
    JCR. 2019: 978-981

    Abstract

    Allelopathy is an important mechanism of plant interference by the addition of plant-produced phytotoxins to the plant environment. Allelopathic influence of various concentrations of aqueous extracts of two common crop filed weed species namely Cyperus rotundus L. and Cynodan dactylon L. were assessed on the physicochemical and biological properties of rice seedlings grown pot soil. The results show that the level of NPK percentage was minimum in the lower concentrations of two weed extracts than their higher concentrations. Among NPK contents, the nitrogen was found higher percentage followed by potassium and phosphorus in all the experimental soil. The population of bacterial, fungi, actinomycetes and total microbial populations were gradually decreased with increasing the concentration of weed extracts and higher rate of reduction of microbes was found in the extracts treated with C.rotundus than C.dactylon

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    Volume & Issue

    Volume 6 Issue-7

    Keywords

    Allelopathic influence, Cyperus rotundus, Cynodan dactylon,
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