The study on humic acid extraction from peat and its application to the paddy field

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Kanokporn Bunnumma The study on humic acid extraction from peat and its application to the paddy field. Thesis (M.Sc. (Technology of Environmental Management))--Mahidol University, 1898. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/103294

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