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  1. 1

    Changes in microbial activities, nutrient mineralization and heavy metal concentration in sewage sludge treated with PGPR / حسب A.R. Nur Aizat

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  2. 2

    Specific growth rate and carbon sugar consumption of diazotrophs isolated from rice rhizosphere /

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  3. 3

    Zinc status of soils in Shahdadpur Sindh Pakistan / حسب Qurban Ali Panhwar

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  4. 4

    Screening for hydrolytic enzymes production by different N2 fixing bacteria / حسب A.M. Asilah

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