Laboratory investigation on efficacy of extract from sweetflag (Acorus calamus linn) rhizomes on brown planthopper (Nilaparvata Lugens stal.)

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Duangdean Cheramakara Laboratory investigation on efficacy of extract from sweetflag (Acorus calamus linn) rhizomes on brown planthopper (Nilaparvata Lugens stal.). Thesis (M.Sc. (Technology of Environmental Management))--Mahidol University, 1993. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/99965

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