Copper Dynamics in a Typic Hapludalf Under Rice-Wheat Cropping System after Twelve Years of Annual Lantana camara L. Residue Incorporation

    Sharma, S and Chander, G and Verma, T S (2014) Copper Dynamics in a Typic Hapludalf Under Rice-Wheat Cropping System after Twelve Years of Annual Lantana camara L. Residue Incorporation. Journal of Plant Nutrition. pp. 1-21. ISSN 1532-4087

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    Abstract

    Long term effects of lantana (Lantana camera L.) residue and fertilizer application were studied on copper (Cu) fractions in a Typic Hapludalf under rice-wheat cropping at Palampur, India (32º6′N, 76º3′E). A partitioning of soil Cu revealed residual Cu and organically bound Cu as the most dominant fractions followed by Cu occluded by free oxides, specifically exchangeable Cu and soil solution and exchangeable Cu. Continuous incorporation of lantana after 12 years resulted in redistribution of Cu from non-available forms to readily and potentially available forms in soil. All the Cu fractions were positively interrelated amongst themselves and with grain yield and Cu uptake in rice and wheat crops. Specifically exchangeable Cu followed by organically bound Cu were the most important Cu fraction contributing towards grain yield and Cu uptake in rice and wheat crops.

    Item Type: Article
    Divisions: RP-Resilient Dryland Systems
    CRP: CGIAR Research Program on Water, Land and Ecosystems (WLE)
    Uncontrolled Keywords: Copper fractions, copper uptake, lantana, fertilizers, integrated nutrient management, rice-wheat
    Subjects: Others > Agriculture-Farming, Production, Technology, Economics
    Depositing User: Mr Sanat Kumar Behera
    Date Deposited: 26 Feb 2014 04:10
    Last Modified: 23 Oct 2017 06:15
    URI: http://oar.icrisat.org/id/eprint/7556
    Official URL: http://dx.doi.org/10.1080/01904167.2014.888738
    Projects: UNSPECIFIED
    Funders: UNSPECIFIED
    Acknowledgement: UNSPECIFIED
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